US20180141300A1 - Methods and machine for forming a shipping and display container from a blank assembly using a pre-fold mandrel section - Google Patents
Methods and machine for forming a shipping and display container from a blank assembly using a pre-fold mandrel section Download PDFInfo
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- US20180141300A1 US20180141300A1 US15/861,514 US201815861514A US2018141300A1 US 20180141300 A1 US20180141300 A1 US 20180141300A1 US 201815861514 A US201815861514 A US 201815861514A US 2018141300 A1 US2018141300 A1 US 2018141300A1
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- Prior art keywords
- mandrel
- panel
- blank
- assembly
- container
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Links
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/26—Folding sheets, blanks or webs
- B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/26—Folding sheets, blanks or webs
- B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
- B31B50/30—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/60—Uniting opposed surfaces or edges; Taping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2120/00—Construction of rigid or semi-rigid containers
- B31B2120/10—Construction of rigid or semi-rigid containers provided with covers, e.g. lids
- B31B2120/102—Construction of rigid or semi-rigid containers provided with covers, e.g. lids with a hinged cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/06—Feeding sheets or blanks from stacks
- B31B50/062—Feeding sheets or blanks from stacks from the underside of a magazine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/07—Feeding sheets or blanks by air pressure or suction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/26—Folding sheets, blanks or webs
- B31B50/52—Folding sheets, blanks or webs by reciprocating or oscillating members, e.g. fingers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/60—Uniting opposed surfaces or edges; Taping
- B31B50/62—Uniting opposed surfaces or edges; Taping by adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
Definitions
- the embodiments described herein relate generally to a machine for forming a container from sheet material, and more particularly to methods and a machine for forming a shipping and display container from a blank assembly by pre-folding the blank assembly around a pre-fold mandrel section, transporting the blank assembly to a mandrel wrap section, and forming the container at the mandrel wrap section.
- Containers fabricated from paperboard and/or corrugated paperboard material are often used to store and transport goods. These containers can include four-sided containers, six-sided containers, eight-sided containers, bulk bins and/or various size corrugated barrels. Such containers are usually formed from blanks of sheet material that are folded along a plurality of preformed fold lines to form an erected corrugated container. In some cases, these containers can be used to ship goods, and then be used to display the goods at a merchant's store or business after the goods have been shipped to the merchant.
- At least some known containers are formed using a machine.
- a blank may be positioned near a mandrel on a machine, and the machine may be configured to wrap the blank around the mandrel to form at least a portion of the container. Because the size and/or shape of blanks and containers can vary widely across industries, it is desirable for such machines to be able to accommodate blanks and/or containers of varying shapes and/or sizes.
- At least some known container forming machines use complex devices and mechanisms for forming various sizes and/or shapes of blanks. In order to accommodate various sized and/or shaped blanks, these devices and mechanisms often require moving parts that need to move or rotate along substantially large paths of movement. These large paths of movement require the machine to be large.
- a machine for forming a container from a blank assembly including a tray blank coupled to a lid blank.
- the tray blank defines a tray portion of the container
- the lid blank defines a lid portion of the container.
- the machine has an upstream end at which the blank assembly is loaded and a downstream end at which the container is discharged.
- the machine includes a frame, a mandrel assembly mounted to the frame, a pre-folding assembly, and a glue panel presser assembly.
- the mandrel assembly includes a first mandrel and a second mandrel positioned downstream from the first mandrel.
- the first mandrel has an external shape complimentary to an internal shape of at least a first portion of the container
- the second mandrel has an external shape complimentary to an internal shape of at least a second portion of the container.
- the pre-folding assembly is configured to fold a first portion of the blank assembly around the first mandrel to form a partially formed container.
- the first portion of the blank assembly corresponds to the first portion of the container.
- the glue panel presser assembly includes a first presser plate configured to form a first manufacturer joint along the lid portion of the container, and a second presser plate configured to form a second manufacturer joint along the tray portion of the container.
- a method of forming a container from a blank assembly using a machine includes a tray blank coupled to a lid blank.
- the tray blank defines a tray portion of the container, and the lid blank defines a lid portion of the container.
- the machine includes a mandrel assembly having a first mandrel and a second mandrel positioned downstream from the first mandrel.
- the method includes positioning the blank assembly proximate to the first mandrel, folding a first portion of the blank assembly about the first mandrel to form a partially formed container, transferring the partially formed container from the first mandrel to the second mandrel, wrapping a second portion of the blank assembly about the second mandrel to form the container, and ejecting the container from the second mandrel.
- a machine for forming a container from a blank assembly including a tray blank coupled to a lid blank.
- the tray blank defines a tray portion of the container
- the lid blank defines a lid portion of the container.
- the machine has an upstream end at which the blank assembly is loaded and a downstream end at which the container is discharged.
- the machine includes a frame, a mandrel assembly mounted to the frame, a pre-folding assembly, and a wrapping assembly.
- the mandrel assembly includes a first mandrel and a second mandrel positioned downstream from the first mandrel.
- the first mandrel has an external shape complimentary to an internal shape of at least a first portion of the container.
- the second mandrel has an external shape complimentary to an internal shape of at least a second portion of the container.
- the pre-folding assembly is configured to fold a first portion of the blank assembly around the first mandrel to form a partially formed container.
- the first portion of the blank assembly corresponds to the first portion of the container.
- the pre-folding assembly includes folding rods adapted to rotate a plurality of panels from the first portion of the blank assembly around the first mandrel, and at least one tray panel folder configured to fold a panel from the tray blank around the first mandrel.
- the wrapping assembly is configured to wrap a second portion of the blank assembly around the second mandrel.
- the second portion of the blank assembly corresponds to the second portion of the container.
- the wrapping assembly includes a glue panel presser assembly.
- the glue panel presser assembly includes a first presser plate and a second presser plate.
- the first presser plate is configured to form a first manufacturer joint along the lid portion of the container.
- the second presser plate configured to form a second manufacturer joint along the tray portion of the container.
- FIG. 1 is an interior view of an example embodiment of a blank of sheet material that may be used with the machine described herein.
- FIG. 2 is perspective view of an example embodiment of a container that may be formed from the blank shown in FIG. 1 .
- FIG. 3 is a perspective view of the container shown in FIG. 2 in a closed state.
- FIG. 4 is an overhead cross-sectional view of the container shown in FIG. 3 .
- FIG. 5 is a perspective view of an example embodiment of a machine that may be used to form a container from the blank of sheet material shown in FIG. 1 .
- FIG. 6 is another perspective view of the machine shown in FIG. 5 looking from downstream to upstream on the machine.
- FIG. 7 is a perspective view of an example control system and example protective panels which are included in the machine shown in FIGS. 5-6 .
- FIG. 8 is another perspective view of the control system and protective panels shown in FIG. 7 .
- FIG. 9 is a perspective view of a portion of an example magazine feed section included within the machine shown in FIGS. 5-6 .
- FIG. 10 is a perspective view of another portion of the magazine feed section included within the machine shown in FIGS. 5-6 .
- FIG. 11 is a perspective view of the magazine feed section shown in FIGS. 9 and 10 , an example vacuum transfer section, and a pre-fold section included in the machine shown in FIGS. 5-6 .
- FIG. 12 is a perspective: view of an example pick-and-place assembly which is included in the vacuum transfer section shown in FIG. 11 .
- FIG. 13 is perspective view of the pick-and-place assembly shown in FIG. 12 .
- FIG. 14 is another perspective view of the pick-and-place assembly shown in FIG. 13 .
- FIG. 15 is a perspective view of the machine shown in FIG. 5 illustrating various portions of an example pre-fold section included in the machine.
- FIG. 16 is a perspective view of an example mandrel assembly and an example transfer assembly that are included within the machine shown in FIGS. 5-6 .
- FIG. 17 is a cross-sectional view of a first mandrel which is part of the mandrel assembly shown in FIG. 16 with the blank shown in FIG. 1 partially wrapped around the first mandrel.
- FIG. 18 is a perspective view of an example pre-folding assembly which is part of the pre-fold section shown in FIGS. 11 and 15 .
- FIG. 19 is another perspective view of the pre-fold section shown in FIGS. 11 and 15 .
- FIG. 20 is a perspective view of a portion of the mandrel assembly and a portion of the transfer assembly shown in FIG. 16 .
- FIG. 21 is another perspective view of the portion of the mandrel assembly and the portion of the transfer assembly shown in FIG. 20 .
- FIG. 22 is a cross-sectional view of example mandrel guide rails which are part of the mandrel assembly shown in FIG. 16 with the blank shown in FIG. 1 partially wrapped around the mandrel guide rails.
- FIG. 23 is a perspective view of an example adhesive applicator assembly which is included within the machine shown in FIGS. 5-6 .
- FIG. 24 is another perspective view of the adhesive applicator assembly shown in FIG. 23 .
- FIG. 25 is a perspective view of ail example mandrel wrap section which is included within the machine shown in FIGS. 5-6 .
- FIG. 26 is another perspective view of the mandrel wrap section shown in FIG. 25 .
- FIG. 27 is a cross-sectional view of a second mandrel which is part of the mandrel assembly shown in FIG. 16 with the blank shown in FIG. 1 wrapped around the second mandrel.
- FIG. 28 is a perspective view of a mandrel retention assembly which is part of the mandrel wrap section shown in FIG. 25 .
- FIG. 29 is another perspective view of the mandrel retention assembly shown in FIG. 28 .
- FIG. 30 is a perspective view of an example fold-under assembly which is part of the mandrel wrap section shown in FIG. 25 .
- FIG. 31 is a side plan view of the fold-under assembly shown in FIG. 30 .
- FIG. 32 is another perspective view of the fold-under assembly shown in FIG. 30 illustrating an example folding arm in an up position.
- FIG. 33 is a perspective view of an example glue panel folder assembly and an example glue panel presser assembly which are part of the mandrel wrap section shown in. FIG. 25 .
- FIG. 34 is a side plan view of the glue panel folder assembly and the glue panel presser assembly shown in FIG. 33 .
- FIG. 35 is a perspective view of the glue panel folder assembly and the glue panel presser assembly shown in FIG. 33 , and an example bottom folder assembly which is part of the mandrel wrap section shown in FIG. 25 .
- FIG. 36 is another perspective view of the glue panel folder assembly, the glue panel presser assembly, and the bottom folder assembly shown in FIG. 35 .
- FIG. 37 is another perspective view of the glue panel folder assembly, the glue panel presser assembly, and the bottom folder assembly shown in FIG. 35 .
- FIG. 38 is a perspective view of the bottom folder assembly shown in FIG. 35 and an example conveyor assembly which is included within the machine shown in FIGS. 5-6 .
- FIG. 39 is a side plan view of the bottom folder assembly and the conveyor assembly shown in FIG. 38 .
- FIG. 40 is a perspective view of an example bottom presser assembly, a portion of an example ejection assembly, and a conveyor assembly which are part of the machine shown in FIGS. 5-6 .
- FIG. 41 is a perspective view of a portion of the bottom presser shown in FIG. 40 .
- FIG. 42 is a perspective view of the bottom presser assembly and the conveyor assembly shown in FIG. 40 .
- FIG. 43 is a perspective view of the ejection assembly shown in FIG. 40 illustrating an example ejection plate of the ejection assembly in an extended position.
- FIG. 44 is an interior view of a tray blank that may be used with the machine described herein.
- FIG. 45 is a perspective view of an example embodiment of a tray that may be formed from the tray blank shown in FIG. 44 .
- FIG. 46 is an interior view of a lid blank that may be used with the machine described herein.
- FIG. 47 is a perspective view of an example embodiment of a lid that may be formed from the lid blank shown in FIG. 46 .
- FIG. 48 is a perspective view of the lid shown in FIG. 47 in a closed state.
- FIG. 49 is a perspective view of an example embodiment of a container that may be formed from the blanks shown in FIGS. 44 and 45 .
- FIG. 50 is a perspective view of the container shown in FIG. 49 in a closed state.
- FIG. 51 is an overhead cross-sectional view of the container shown in FIG. 49 .
- FIG. 52 is an exterior view of a blank assembly formed from the blanks shown in FIGS. 44 and 45 ;
- FIG. 53 is a perspective view of an alternate machine that may be used to form a container from the blank assembly shown in FIG. 52 .
- FIG. 54 is another perspective view of the machine shown in FIG. 53 .
- FIG. 55 is a perspective view of an example tray glue panel presser assembly and the glue panel folder assembly and the glue panel presser assembly shown in FIG. 33 .
- FIG. 56 is a side plan view of the glue panel folder assembly, the glue panel presser assembly, and the tray glue panel presser assembly shown in FIG. 55 .
- FIG. 57 is a perspective view of the glue panel folder assembly, the glue panel presser assembly, and the tray glue panel presser assembly shown in FIG. 55 within the machine shown in FIG. 53 .
- FIG. 58 is another perspective view of the glue panel folder assembly, the glue panel presser assembly, and the tray glue panel presser assembly shown in FIG. 57 within the machine shown in FIG. 53 looking from downstream to upstream on the machine.
- the present disclosure provides a machine for forming a container from a single sheet of material.
- the container described herein is sometimes referred to as an eight-sided container, but any number of sides of a container could be formed including, but not limited to, a four-sided or a six-sided container.
- the container is fabricated from a paperboard material.
- the container may be fabricated using any suitable material, and therefore is not limited to a specific type of material.
- the container is fabricated using cardboard, fiberboard, paperboard, foamboard, corrugated paper, and/or any suitable material known to those skilled in the art and guided by the teachings herein provided.
- the container may have any suitable size, shape, and/or configuration, whether such sizes, shapes, and/or configurations are described and/or illustrated herein. Further, different embodiments described here can vary in size and/or dimensions.
- the container may also include lines of perforation for removal of a portion of the container for displaying articles for sale.
- the present disclosure also provides an alternative embodiment of the machine for forming a container from a blank assembly of sheet material.
- the blank assembly includes a tray blank and a lid blank that are coupled together to form a container, sometimes referred to as a Retail Ready Package (RRP), that includes a tray portion and a lid portion.
- RRP Retail Ready Package
- the container described herein is sometimes referred to as an eight-sided RRP container, but any number of sides of a container could be formed including, but not limited to, a four-sided or a six-sided container.
- the container is fabricated from paperboard material.
- the container may be fabricated using any suitable material, and therefore is not limited to a specific type of material.
- the container is fabricated using cardboard, fiberboard, paperboard, foamboard, corrugated paper, and/or any suitable material known to those skilled in the art and guided by the teachings herein provided.
- the container may have any suitable size, shape, and/or configuration, whether such sizes, shapes, and/or configurations are described and/or illustrated herein. Further, different embodiments described here can vary in size and/or dimensions.
- the container may also include lines of perforation for removal of a portion of the container for displaying articles for sale.
- the container includes at least one marking thereon including, without limitation, indicia that communicates the product, a manufacturer of the product and/or a seller of the product.
- the marking may include printed text that indicates a product's name and briefly describes the product, logos and/or trademarks that indicate a manufacturer and/or seller of the product, and/or designs and/or ornamentation that attract attention.
- Print may include, but is not limited to including, ink jet printing, laser printing, screen printing, giclée, pen and ink, painting, offset lithography, flexography, relief print, rotogravure, dye transfer, and/or any suitable printing technique known to those skilled in the art and guided by the teachings herein provided.
- the container is void of markings, such as, without limitation, indicia that communicates the product, a manufacturer of the product and/or a seller of the product.
- FIG. 1 is an interior view of an example embodiment of a substantially flat blank 20 of sheet material.
- blank 20 includes a series of aligned wall panels and end panels connected together by a plurality of preformed, generally parallel, fold lines.
- the wall panels include a first corner panel 22 , a first side panel 24 , a second corner panel 26 , a first end panel 28 , a third corner panel 30 , a second side panel 32 , a fourth corner panel 34 , a second end panel 36 , and a glue panel 38 connected in series along a plurality of fold lines 40 , 42 , 44 , 46 , 48 , 50 , 52 , and 54 .
- First corner panel 22 extends from a first free edge 56 to fold line 40
- first side panel 24 extends from first corner panel 22 along fold line 40
- second corner panel 26 extends from first side panel 24 along fold line 42
- first end panel 28 extends from second corner panel 26 along fold line 44
- third corner panel 30 extends from first end panel 28 along fold line 46
- second side panel 32 extends from third corner panel 30 along fold line 48
- fourth corner panel 34 extends from second side panel 32 along fold line 50
- second end panel 36 extends from fourth corner panel 34 along fold line 52
- glue panel 38 extends from second end panel 36 along fold line 54 to a second free edge 58 .
- a first top side panel 60 and a first bottom side panel 62 extend from opposing edges of first side panel 24 . More specifically, first top side panel 60 and first bottom side panel 62 extend from first side panel 24 along a pair of opposing preformed, generally parallel, fold lines 64 and 66 , respectively. Similarly, a second bottom side panel 68 and a second top side panel 70 extend from opposing edges of second side panel 32 . More specifically, second bottom side panel 68 and second top side panel 70 extend from second side panel 32 along a pair of opposing preformed, generally parallel, fold lines 72 and 74 , respectively. Fold lines 64 , 66 , 72 , and 74 are generally parallel to each other and generally perpendicular to fold lines 40 , 42 , 48 , and 50 .
- First bottom side panel 62 and first top side panel 60 each have a width 76 taken along a central horizontal axis 78 of blank 20 that is greater than a width 80 of first side panel 24 , also taken along central horizontal axis 78 .
- second bottom side panel 68 and second top side panel 70 each have a width 76 that is greater than width 80 of second side panel 32 , taken along central horizontal axis 78 .
- First bottom side panel 62 and first top side panel 60 each include a free edge 82 or 84 , respectively.
- second bottom side panel 68 and second top side panel 70 each include a free edge 86 or 88 , respectively.
- Bottom side panels 62 and 68 and top side panels 60 and 70 each include opposing angled edge portions 90 and 92 that are each obliquely angled with respect to respective fold lines 64 , 66 , 72 , and/or 74 . Although other angles may be used without departing from the scope of the present disclosure, in one embodiment, edge portions 90 and 92 are angled at about 45° with respect to respective fold lines 64 , 66 , 72 , and/or 74 .
- bottom side panels 62 and 68 and top side panels 60 and 70 as shown in FIG. 1 and described above facilitates forming an octagonal container 200 having angled corners, an example of which is shown in FIGS. 2-4 . More specifically, the shape, size, and arrangement of bottom side panels 62 and 68 and top side panels 60 and 70 facilitates forming container 200 having corner walls that are obliquely angled with respect to, and interconnect side walls and end walls of formed container 200 .
- first top end panel 94 and a first bottom end panel 96 extend from opposing edges of first end panel 28 . More specifically, first top end panel 94 and first bottom end panel 96 extend from first end panel 28 along a pair of opposing preformed, generally parallel, fold lines 98 and 100 , respectively. Similarly, a second bottom end panel 102 and a second top end panel 104 extend from opposing edges of second end panel 36 . More specifically, second bottom end panel 102 and second top end panel 104 extend from second end panel 36 along a pair of opposing preformed, generally parallel, fold lines 106 and 108 , respectively.
- Fold lines 98 , 100 , 106 , and 108 are generally parallel to each other and generally perpendicular to fold lines 44 , 46 , 52 , and 54 .
- First bottom end panel 96 and first top end panel 94 each have a width 110 taken along central horizontal axis 78 of blank 20 that is substantially equal to a width 112 of first end panel 28 , also taken along central horizontal axis 78 .
- second bottom end panel 102 and second top end panel 104 each have width 110 that is greater than width 112 of second end panel 36 , taken along central horizontal axis 78 .
- First bottom end panel 96 and first top end panel 94 each include a free edge 114 or 116 , respectively.
- second bottom end panel 102 and second top end panel 104 each include a free edge 118 or 120 , respectively.
- Bottom end panels 96 and 102 and top end panels 94 and 104 each include opposing side edge portions 122 and 124 that are each substantially parallel to respective fold lines 44 , 46 , 52 , and/or 54 . Although other angles may be used without departing from the scope of the present disclosure, in one embodiment, side edge portions 122 and 124 are angled at about 180° with respect to respective fold lines 44 , 46 , 52 , and/or 54 .
- a manufacturer joint, a container bottom wall, and a container top wall formed therefrom may be securely closed so that various products may be securely contained within a formed container. Therefore, less material may be used to fabricate blank 20 having suitable strength for construction of a container that can contain various loads.
- blank 20 is intended to form a container 200 as shown in FIGS. 2-4 by folding and/or securing panels 22 , 24 , 26 , 28 , 30 , 32 , 34 , 36 , and/or 38 (shown in FIG. 1 ) and bottom panels 62 , 68 , 96 , and/or 102 (shown in FIG. 1 ).
- blanks having shapes, sizes, and configurations different than blank 20 described and illustrated herein may be used to form container 200 shown in FIGS. 2-4 without departing from the scope of the present disclosure.
- the machine and processes described herein can be used to form a variety of different shaped and sized containers, and is not limited to blank 20 shown in FIG. 1 and/or container 200 shown in FIGS. 2-4 .
- FIG. 2 illustrates a perspective view of an example container 200 , which is erected and in an open configuration, that may be formed from blank 20 (shown in FIG. 1 ).
- FIG. 3 illustrates a perspective view of container 200 in a closed configuration.
- FIG. 4 illustrates an overhead cross-sectional view of container 200 .
- container 200 includes a plurality of walls defining a cavity 202 . More specifically, container 200 includes a first corner wall 204 , a first side wall 206 , a second corner wall 208 , a first end wall 210 , a third corner wall 212 , a second side wall 214 , a fourth corner wall 216 , and a second end wall 218 .
- First corner wall 204 includes first corner panel 22 and glue panel 38 , first side wall 206 includes first side panel 24 , second corner wall 208 includes second corner panel 26 , first end wall 210 includes first end panel 28 , third corner wall 212 includes third corner panel 30 , second side wall 214 includes second side panel 32 , fourth corner wall 216 includes fourth corner panel 34 , and second end wall 218 includes second end panel 36 , as described in more detail below.
- Each wall 204 , 206 , 208 , 210 , 212 , 214 , 216 , and 218 has a height 220 . Although each wall may have a different height without departing from the scope of the present disclosure, in the embodiment shown FIGS. 1-4 , each wall 204 , 206 , 208 , 210 , 212 , 214 , 216 , and 218 has substantially the same height 220 .
- first corner wall 204 connects first side wall 206 to second end wall 218
- second corner wall 208 connects first side wall 206 to first end wall 210
- third corner wall 212 connects first end wall 210 to second side wall 214
- fourth corner wall 216 connects second side wall 214 to second end wall 218 .
- bottom panels 62 , 68 , 96 , and 102 form a bottom wall 222 of container 200
- top panels 60 , 70 , 94 , and 104 form a top wall 224 of container 200 .
- container 200 may have other orientations without departing from the scope of the present disclosure, in the embodiments shown in FIGS.
- end walls 210 and 218 are substantially parallel to each other
- side walls 206 and 214 are substantially parallel to each other
- first corner wall 204 and third corner wall 212 are substantially parallel to each other
- second corner wall 208 and fourth corner wall 216 are substantially parallel to each other.
- Corner walls 204 , 208 , 212 , and 216 are obliquely angled with respect to walls 206 , 210 , 214 , and 218 they interconnect to form angled corners of container 200 .
- Bottom panels 62 , 68 , 96 , and 102 are each orientated generally perpendicular to walls 204 , 206 , 208 , 210 , 212 , 214 , 216 , and 218 to form bottom wall 222 . More specifically, bottom end panels 96 and 102 are folded beneath/inside of bottom side panels 62 and 68 . Similarly, in a fully closed position (shown in FIG. 3 ), top panels 60 , 70 , 94 , and 104 are each orientated generally perpendicular to walls 204 , 206 , 208 , 210 , 212 , 214 , 216 , and 218 to form top wall 224 .
- container 200 may be secured together using any suitable fastener at any suitable location on container 200 without departing from the scope of the present disclosure
- adhesive (not shown) is applied to an inner surface and/or an outer surface of first corner panel 22 and/or glue panel 38 to form first corner wall 204 .
- adhesive may also be applied to exterior surfaces of bottom end panels 96 and/or 102 and/or interior surfaces of bottom side panels 62 and/or 68 to secure bottom side panels 62 and/or 68 to bottom end panels 96 and/or 102 .
- the manufacturer joint, bottom wall 222 , and/or top wall 224 may be securely closed so that various products may be securely contained within container 200 . Therefore, less material may be used to fabricate a stronger container 200 .
- FIG. 5 illustrates a perspective view of an example machine 1000 for forming a container, such as container 200 (shown in FIGS. 2-4 ) from a blank of sheet material, such as blank 20 (shown in FIG. 1 ).
- FIG. 6 illustrates an additional perspective view of machine 1000 .
- Machine 1000 will be discussed hereafter with reference to forming corrugated container 200 from blank 20 ; however, machine 1000 may be used to form a box or any other container having any size, shape, and/or configuration from a blank having any size, shape, and/or configuration without departing from the scope of the present disclosure.
- machine 1000 includes a magazine feed section 1100 , a vacuum transfer section 1200 , a mandrel pre-fold section 1300 , a mandrel wrap section 1400 , and an outfeed section 1500 , each positioned with respect to and/or coupled to a frame 1002 .
- a control system 1004 is coupled in operative control communication with one or more components of machine 1000 .
- Magazine feed section 1100 is positioned at an upstream end 1006 of machine 1000 with respect to a blank forming path direction indicated by an arrow X.
- Vacuum transfer section 1200 is positioned downstream from magazine feed section 1100 in blank forming path direction X.
- mandrel pre-fold section 1300 is positioned downstream from vacuum transfer section 1200 in blank forming path direction X
- mandrel wrap section 1400 is positioned downstream from mandrel pre-fold section 1300 in blank forming path direction X
- outfeed section 1500 is positioned at a downstream end 1008 of machine 1000 and downstream from mandrel wrap section 1400 in blank forming path direction X.
- machine 1000 may also include a product load section (not shown) positioned downstream from outfeed section 1500 with respect to a container discharge direction.
- Product load section is where a product is loaded into formed container 200 , and container 200 is closed and sealed for shipping and/or storing the product.
- the container discharge direction is in substantially the same direction as blank forming path direction X.
- Machine 1000 also includes a mandrel assembly, indicated generally at 1600 , mounted to frame 1002 .
- Mandrel assembly 1600 extends from the mandrel pre-fold section 1300 to the mandrel wrap section 1400 , and includes a first or pre-fold mandrel 1602 and a second mandrel 1604 positioned downstream from the first mandrel 1602 .
- machine 1000 also includes a plurality of protective panels 1010 coupled to frame 1002 .
- Protective panels 1010 are omitted from FIGS. 5 and 6 for illustration. Also, certain elements of machine 1000 are omitted from FIGS. 7 and 8 for illustration.
- Protective panels 1010 prevent external objects from interfering with operation of machine 1000 .
- Protective panels 1010 may be made of plastic, glass, and/or any suitable material that facilitates protecting components of machine 1000 .
- protective panels 1010 are substantially transparent, enabling an operator to visually monitor operation of machine 1000 .
- FIGS. 9-22 illustrate various portions and perspectives of magazine feed section 1100 , as well as vacuum transfer section 1200 , mandrel pre-fold section 1300 , and mandrel assembly 1600 .
- magazine feed section 1100 includes a plurality of independently powered magazine drives 1102 and 1104 for receiving a plurality of blanks 20 .
- Magazine drives 1102 and 1104 are adjustably mounted to rail system 1106 such that a distance between magazine drives 1102 and 1104 can be adjusted to accommodate blanks having different sizes and/or shapes.
- Each magazine drive 1102 and 1104 is operatively coupled to a blank alignment device 1108 configured to align blanks 20 at a downstream end 1110 of magazine feed section 1100 . More specifically, blank alignment devices 1108 are configured to independently drive magazine drives 1102 and 1104 until a blank 20 is aligned at downstream end 1110 of magazine feed section 1100 .
- each blank alignment device 1108 includes a linear actuator 1112 pivotably coupled to a crank wheel 1114 configured to drive a corresponding magazine drive 1102 or 1104 upon actuation of linear actuator 1112 .
- Linear actuator 1112 is operatively coupled to a blank detection device 1116 which controls operation of linear actuator 1112 depending upon whether one or more panels of a blank 20 are positioned and/or aligned at downstream end 1110 of magazine feed section 1100 . More specifically, blank detection device 1116 is configured to intermittently or continuously actuate linear actuator 1112 , and thereby drive magazine drive 1102 or 1104 , until one or more panels of blank 20 are positioned and/or aligned with blank detection device 1116 at downstream end 1110 of magazine feed section 1100 .
- blank detection device 1116 includes a switch 1118 and a switch engaging device 1120 configured to turn switch on and off.
- Switch 1118 is operatively coupled to linear actuator 1112 such that when switch 1118 is in an off position, linear actuator 1112 does not actuate, and when switch 1118 is in an on position, linear actuator 1112 intermittently or continuously actuates until switch 1118 is turned off.
- Switch engaging device 1120 includes an arm 1122 rotatably coupled to a magazine drive 1102 or 1104 by a pin 1124 , and two fingers 1126 extending from pin 1124 at an oblique angle with respect to arm 1122 . Arm 1122 is configured to engage and disengage switch 1118 , and thereby turn switch 1118 on and off.
- Fingers 1126 are positioned on opposite sides of magazine drive 1102 and 1104 , and include tips 1128 configured to engage one or more panels of blank 20 when blank is at downstream end 1110 of magazine feed section 1100 .
- switch engaging device 1120 When one or more tips 1128 of a switch engaging device 1120 are not engaged by a panel of blank 20 , switch engaging device 1120 is in a first, down position (not shown) in which arm 1122 engages switch 1118 , and maintains switch 1118 in an on position.
- Linear actuator 1112 intermittently or continuously actuates, thereby intermittently or continuously driving a corresponding magazine drive 1102 or 1104 , until switch 1118 is turned off.
- switch engaging device 1120 When all tips 1128 of a switch engaging device 1120 are engaged by one or more panels of blank 20 , switch engaging device 1120 is rotated upwards to a second, up position (shown in FIG. 9 ) in which arm 1122 is disengaged from switch 1118 . Switch 1118 is thereby turned off, and actuation of linear actuator 1112 ceases.
- Blanks 20 are loaded and/or orientated in magazine feed section 1100 in any manner that enables operation of machine 1000 as described herein.
- blanks 20 are loaded substantially vertically into magazine feed section 1100 .
- a bundle of blanks 20 is conveyed in the manner described above, in blank forming path direction X, from magazine feed section 1100 to vacuum transfer section 1200 .
- magazine feed section 1100 also includes a magazine alignment panel 1130 and a blank guide 1132 , also configured to maintain alignment of blanks 20 within magazine feed section 1100 , and a plurality of rollers 1134 (shown in FIG. 11 ) positioned at a downstream end of magazine feed section 1100 .
- Rollers 1134 are configured to align and/or guide panels of blank 20 as blank 20 is transferred from magazine feed section 1100 to mandrel pre-fold section 1300 .
- Rollers 1134 are aligned with one or more panels of a blank 20 , and are configured to rotate as a blank 20 is pulled by vacuum transfer section 1200 from magazine feed section 1100 .
- vacuum transfer section 1200 includes a pick-and-place assembly 1202 (generally, a transfer assembly) configured to lay a blank 20 flat on top of first mandrel 1602 .
- pick-and-place assembly 1202 includes linear actuators 1204 operatively coupled to arms 1206 that are, in turn, pivotally coupled to a pick-up bar 1208 .
- a plurality of pick-up arms 1210 are mounted to pick-up bar 1208 , and a vacuum suction cup 1212 is fixedly coupled to each pick-up arm 1210 .
- Suction cups 1212 are configured to retrieve a single blank 20 from the plurality of blanks 20 positioned within magazine feed section 1100 .
- Suction cups 1212 include independent vacuum generators (not shown) for providing suction to attach suction cups 1212 to individual blanks 20 .
- suction cups 1212 are attached to a centralized vacuum generator, which provides the vacuum for suction cups 1212 to attach to a blank 20 .
- linear actuators 1204 are actuating cylinders that pneumatically transition between a first, extended position (shown in FIG. 11 ) and a second, retracted position (shown in FIG. 15 ).
- An angle guide bar 1214 is fixedly coupled to pick-up bar 1208 at a first end 1216 of angle guide bar 1214 , and is slidably and rotatably coupled to a pivot guide assembly 1218 at a second end 1220 of angle guide bar 1214 .
- Angle guide bar 1214 and pivot guide assembly 1218 are operatively coupled to one another such that actuation of linear actuators 1204 causes pick-up bar 1208 to pivot and/or rotate a desired amount such that a blank 20 coupled to vacuum transfer section 1200 is aligned in a horizontal, generally flat position (shown in FIG. 15 ) on first mandrel 1602 .
- Pivot guide assembly 1218 includes a pivot guide mount 1222 fixedly coupled to frame 1002 , and one or more pivot guides 1224 configured to slidably and/or rotatably engage angle guide bar 1214 .
- angle guide bar 1214 is an L-bracket
- pivot guides 1224 are rollers positioned on opposite sides of a leg of the L-bracket.
- linear actuators 1204 are operated and/or controlled to position suction cups 1212 to facilitate picking up a blank 20 from magazine feed section 1100 and transferring blank 20 through vacuum transfer section 1200 to mandrel pre-fold section 1300 .
- Linear actuators 1204 are actuated into the first position (shown in FIG. 11 ), causing suction cups 1212 to sealingly couple a blank 20 within magazine feed section 1100 .
- Linear actuators 1204 are then actuated into the second position (shown in FIG.
- first direction generally, a downward or counter-clockwise direction
- angle guide bar 1214 to slidably and rotatably engage pivot guide assembly 1218
- pick-up bar 1208 and pick-up arms 1210 to rotate in a second direction (generally an upward or clockwise direction) indicated by arrow 1228 , generally opposite to the first direction.
- the general motion of pick-up bar 1208 and pick-up arms 1210 is movement along an arc in a first, generally counter-clockwise direction 1226 while rotating in a second, generally clockwise direction 1228 opposite the first direction 1226 .
- Suction cups 1212 follow the general motion of pick-up arms 1210 , and release blank 20 onto mandrel pre-fold section 1300 . Once blank 20 is released, the direction of linear actuators 1204 is reversed to move suction cups 1212 to their original position to pick up the next blank 20 .
- Pick-and-place assembly 1202 may include any suitable structure and/or means that may be used to attach to blank 20 and transfer blank 20 from magazine feed section 1100 to mandrel pre-fold section 1300 without departing from the scope of the present disclosure.
- Mandrel pre-fold section 1300 includes first mandrel 1602 , a pre-folding assembly 1302 , and a transfer assembly 1304 .
- Mandrel pre-fold section 1300 is configured to partially form container 200 by folding a first portion of blank 20 around first mandrel 1602 .
- first mandrel 1602 has an external shape that is complementary to an internal shape of a first portion of container 200 that is formed at mandrel pre-fold section 1300 . More specifically, first mandrel 1602 includes adjustable plates 1606 and 1608 and miter plates 1610 and 1612 each having a plurality of faces 1614 , 1616 , 1618 , 1620 , 1622 , 1624 , 1626 , and 1628 that substantially correspond to at least some of the panels on blank 20 .
- miter plates 1610 and 1612 include angled faces 1614 and 1616 obliquely angled with respect to side faces 1618 and 1620 , respectively. Angled faces 1614 and 1616 substantially correspond to third corner panel 30 and fourth corner panel 34 , respectively, and side faces 1618 and 1620 substantially correspond to first and second end panels 28 and 36 , respectively.
- each miter plate 1610 and 1612 also includes an upper face 1622 and 1624 obliquely angled with respect to angled faces 1614 and 1616 , respectively. Blank 20 is placed upon upper faces 1622 and 1624 when blank 20 is transferred from magazine feed section 1100 to mandrel pre-fold section 1300 .
- the widths of upper faces 1622 and 1624 may vary depending on the size and/or shape of blank 20 , and the widths of upper faces 1622 and 1624 are not limited to the relatively narrow widths illustrated in FIG. 17 .
- Miter plates 1610 and 1612 are detachably mounted to adjustable plates 1606 and 1608 such that miter plates 1610 and 1612 can be interchanged with plates having different sizes and/or shapes such that first mandrel 1602 may be configured to accommodate blanks of varying sizes and/or shapes (e.g., a blank for forming a four-sided container).
- miter plates 1610 and 1612 may be omitted, and miter plates 1610 and 1612 may include only side faces 1618 and 1620 and upper faces 1622 and 1624 oriented at approximately 90 degrees with respect to one another.
- Miter plates 1610 and 1612 are constructed from low-friction, wear-resistant plastic to facilitate transferring blanks 20 from first mandrel 1602 to second mandrel 1604 . It is understood, however, that miter plates 1610 and 1612 may be constructed from any suitable material that enables machine 1000 to function as described herein.
- adjustable plates 1606 and 1608 also include side faces 1626 and 1628 that substantially correspond to at least one of the panels on blank 20 . More specifically, side faces 1626 and 1628 of adjustable plates 1606 and 1608 correspond to first and second end panels 28 and 36 , respectively. Alternatively, adjustable plates 1606 and 1608 do not include side faces that substantially correspond to any of the panels on blank 20 .
- Adjustable plates 1606 and 1608 are operatively coupled to an adjustment device 1630 (shown in FIG. 21 ) configured to adjust a distance between adjustable plates 1606 and 1608 in a direction substantially perpendicular to the X direction, referred to as the transverse direction and indicated by an arrow Y (shown in FIG. 21 ). Adjustable plates 1606 and 1608 are therefore configured be adjusted to accommodate blanks of varying sizes and/or shapes. Adjustable plates 1606 and 1608 are also slidably mounted to a rail system 1632 extending in the transverse direction, to facilitate adjustment of adjustable plates 1606 and 1608 .
- adjustment device 1630 is a crank configured to adjust plates 1606 and 1608 via a threaded connection with a nut mounted to adjustable plates 1606 and/or 1608 . Also in the example embodiment, adjustable plate 1608 is fixed and only adjustable plate 1606 is moveable in the transverse direction using adjustment device 1630 .
- first mandrel 1602 faces 1614 , 1616 , 1618 , 1620 , 1622 , 1624 , 1626 , and 1628 of first mandrel 1602 are described with reference to plates 1606 , 1608 , 1610 and 1612 , it is understood that any of the first mandrel faces 1614 , 1616 , 1618 , 1620 , 1622 , 1624 , 1626 , and 1628 may be incorporated into solid plates, frames, plates including openings defined therein, and/or any other suitable component that provides a face and/or surface configured to enable a container to be at least partially formed from a blank as described herein.
- FIGS. 11, 15, and 18-19 illustrate various portions and perspectives of pre-folding assembly 1302 .
- Pre-folding assembly 1302 is configured to fold a first portion of blank 20 down and around first mandrel 1602 while blank 20 is positioned within pre-fold section 1300 and/or adjacent first mandrel 1602 .
- pre-folding assembly 1302 is also configured to at least partially detach vacuum suction cups 1212 from blank 20 after blank 20 is placed on mandrel pre-fold section 1300 .
- Pre-folding assembly 1302 includes folding fingers 1306 and 1308 (generally, rods) adjustably coupled to an arm 1310 , which is in turn, rotatably mounted to frame 1002 .
- Arm 1310 is operatively coupled to a linear actuator 1312 which, when actuated, causes arm 1310 to rotate, which in turn causes folding fingers 1306 and 1308 to rotate towards and engage an upward-facing surface of a corresponding panel of blank 20 , thereby folding one or more panels of blank 20 around first mandrel 1602 .
- folding fingers 1306 and 1308 are initially positioned in a first, generally raised position (shown in FIGS. 15 and 18 ). After a blank 20 is placed on first mandrel 1602 by vacuum transfer section 1200 , linear actuator 1312 is actuated to rotate arm 1310 and folding fingers 1306 and 1308 into a second, generally lowered position (shown in FIG. 19 ). As folding fingers 1306 and 1308 rotate towards the second position, folding fingers 1306 and 1308 engage one or more panels of blank 20 and fold the panels around a corresponding miter plate 1610 and 1612 and/or adjustable plate 1606 and 1608 of the first mandrel 1602 .
- pre-folding assembly 1302 and folding fingers 1306 and 1308 are held in the second position while a pre-folded blank 20 is transferred from mandrel pre-fold section 1300 to mandrel wrap section 1400 (described in more detail below) to maintain alignment of blank 20 as blank 20 is transferred from mandrel pre-fold section 1300 to mandrel wrap section 1400 .
- a sufficient amount of lateral spacing is maintained between folding fingers 1306 , blank 20 , and faces 1618 , 1620 , 1626 , and 1628 of miter plates 1610 and 1612 and adjustable plates 1606 and 1608 so that blank 20 may be transferred with minimal frictional drag.
- Pre-folding assembly 1302 is therefore also configured to guide a blank 20 as it is transferred from mandrel pre-fold section 1300 to mandrel wrap section 1400 .
- Linear actuator 1312 then reverses direction and rotates pre-folding assembly 1302 and folding fingers 1306 and 1308 back to the first position to repeat the pre-folding procedure for a subsequently placed blank 20 .
- vacuum transfer section 1200 transfers another blank 20 to mandrel pre-fold section 1300 after pre-folding assembly 1302 is in the first position.
- vacuum transfer section 1200 may begin transferring a blank 20 to mandrel pre-fold section 1300 while pre-folding assembly 1302 is being rotated from the second position to the first position.
- Folding fingers 1306 and 1308 can be adjusted along the length of arm 1310 such that each folding finger 1306 and 1308 is aligned with a corresponding panel of blank 20 .
- folding fingers 1306 and 1308 are spaced apart by a distance greater than the width 76 of side panels 24 and 32 , and are aligned with end panels 28 and 36 of blank 20 , respectively.
- Folding fingers 1306 and 1308 are thereby configured to fold end panels 28 and 36 , respectively, around first mandrel 1602 about fold lines 46 and/or 48 , and 50 and/or 52 , respectively.
- folding fingers 1306 and 1308 are also configured to fold corner panels 30 and 34 , respectively, around first mandrel 1602 about fold lines 48 and 50 , respectively.
- the first portion of blank 20 wrapped around first mandrel 1602 includes first end panel 28 , third corner panel 30 , second side panel 32 , fourth corner panel 34 , and second end panel 36 .
- Pre-folding mechanism also includes retention plows 1314 and 1316 adjustably coupled to arm 1310 .
- Retention plows 1314 and 1316 are configured to prevent blank 20 from bowing or lifting off of mandrel assembly 1600 when folding fingers 1306 and 1308 engage one or more panels of blank 20 .
- retention plows 1314 and 1316 are configured to rotate from a first, raised position (shown in FIG. 15 ) to a second, lowered position (shown in FIG. 19 ) proximate to one or more panels of blank 20 .
- Retention plows 1314 and 1316 thereby prevent blank 20 from bowing or lifting off of mandrel assembly 1600 when folding fingers 1306 and 1308 fold a first portion of blank 20 around first mandrel 1602 .
- transfer assembly 1304 is configured to transfer a pre-folded blank 20 from the mandrel pre-fold section 1300 to the mandrel wrap section 1400 . More specifically, transfer assembly 1304 is configured to transfer a pre-folded blank (wherein the pre-folded blank is a partially formed container) from first mandrel 1602 to second mandrel 1604 .
- Transfer assembly 1304 includes a pusher bar 1318 operatively coupled to a linear actuator 1320 , and one or more pusher feet 1322 coupled to the pusher bar 1318 .
- Pusher feet 1322 are slidably mounted to a guide rail 1324 extending in the X direction to facilitate linear motion of pusher feet 1322 .
- Pusher feet 1322 are detachably coupled to pusher bar 1318 and guide rail 1324 such that pusher feet 1322 may be interchanged with pusher feet having different shapes and/or sizes to accommodate blanks having different sizes and/or shapes.
- transfer assembly 1304 is positioned within mandrel assembly 1600 , and, more particularly, within first mandrel 1602 to decrease the necessary size of machine 1000 , and thereby reduce the overall footprint of machine 1000 .
- Transfer assembly 1304 operates to move blanks 20 from mandrel pre-fold section 1300 to mandrel wrap section 1400 . More specifically, linear actuator 1320 drives pusher bar 1318 in a direction parallel to direction X, and causes pusher feet 1322 to contact a trailing edge 126 (shown in FIG. 1 ) of a blank 20 and push and/or slide blank 20 along mandrel guide rails 1634 , 1636 , 1638 and/or 1640 (described below) toward mandrel wrap section 1400 . Linear actuator 1320 then reverses direction and moves pusher bar 1318 in a direction opposite to direction X to transfer the next blank 20 from mandrel pre-fold section 1300 .
- transfer assembly 1304 includes one pusher foot 1322 configured to engage a trailing edge 126 of top side panel 70 .
- Alternative embodiments may include any suitable number of pusher feet 1322 configured to engage a trailing edge 126 of one or more of top panels 60 , 70 , 94 , and 104 .
- mandrel assembly 1600 includes mandrel guide rails 1634 , 1636 , 1638 and 1640 to facilitate the transfer of blanks 20 from mandrel pre-fold section 1300 to mandrel wrap section 1400 . More specifically, mandrel guide rails 1634 , 1636 , 1638 and 1640 are configured to maintain the alignment of blank 20 as transfer assembly 1304 transfers blank 20 from mandrel pre-fold section 1300 to mandrel wrap section 1400 .
- Mandrel guide rails 1634 , 1636 , 1638 and 1640 extend between first mandrel 1602 and a second mandrel 1604 along the X direction. Mandrel guide rails 1634 , 1636 , 1638 and 1640 are configured to maintain the alignment of blank 20 as blank 20 is transferred between mandrel pre-fold section 1300 and mandrel wrap section 1400 .
- mandrel guide rails 1634 , 1636 , 1638 and 1640 are generally aligned with one or more of adjustable plates 1606 and 1608 and/or miter plates 1610 and 1612 , and include a plurality of faces 1642 , 1644 , 1646 , 1648 , 1650 , 1652 , 1654 , 1656 , and 1658 configured to an engage an interior surface of one or more panels of blank 20 .
- mandrel guide rails 1634 , 1636 , 1638 and 1640 include upper mandrel guide rails 1634 and 1636 and lower mandrel guide rails 1638 and 1640 .
- Upper mandrel guide rails 1634 and 1636 are L-shaped rails oriented in opposing orientations with respect to one another.
- Upper mandrel guide rails 1634 and 1636 include top faces 1642 and 1644 , respectively, configured to engage an interior surface of second side panel 32 , and side faces 1646 and 1648 configured to engage interior surfaces of first end panel 28 and/or third corner panel 30 , and second side panel 32 and/or fourth corner panel 34 , respectively.
- Top faces 1642 and 1644 are substantially coplanar with upper faces 1622 and 1624 of first mandrel 1602 such that a blank 20 may be slid from first mandrel 1602 to second mandrel 1604 along mandrel guide rails 1634 and 1636 without lifting or moving blank 20 out of the plane in which it is initially placed on first mandrel 1602 .
- Lower mandrel guide rail 1638 is also an L-shaped rail having a side face 1650 configured to engage an interior surface of first end panel 28 and/or second corner panel 26 , and a bottom face 1652 configured to engage an interior surface of first side panel 24 .
- Lower mandrel guide rail 1640 is a beveled L-shaped rail having a bottom face 1654 configured to engage an interior surface of first side panel 24 , an angled face 1656 configured to engage an interior surface of first corner panel 22 and/or glue panel 38 , and a side face 1658 configured to engage an interior surface of second end panel 36 and/or glue panel 38 .
- mandrel guide rails 1634 , 1636 , 1638 , and 1640 may define or may be defined by one or more faces 1660 , 1662 , 1664 , 1666 , 1668 , 1670 , 1672 , 1674 , and/or 1676 of second mandrel 1604 , described in more detail below.
- mandrel guide rails 1634 , 1636 , 1638 , and 1640 are an extension of second mandrel extension 1604 .
- faces 1644 , 1642 , 1646 , 1650 , 1652 , 1654 , 1656 , 1658 , and 1648 of mandrel guide rails 1634 , 1636 , 1638 , and 1640 are at least partially defined by faces 1660 , 1662 , 1664 , 1666 , 1668 , 1670 , 1672 , 1674 , and 1676 of second mandrel 1604 , respectively.
- an adhesive applicator assembly 1326 is positioned between first mandrel 1602 and second mandrel 1604 , such as adjacent mandrel guide rails 1634 , 1636 , 1638 , and 1640 , to apply adhesive to blank 20 as blank 20 is transferred from first mandrel 1602 to second mandrel 1604 .
- Adhesive applicator assembly 1326 includes a plurality of adhesive applicators 1328 , shown as nozzles in the example embodiment, configured to dispense and/or apply adhesive (not shown) to predetermined panels of blank 20 while blank 20 is transferred from first mandrel 1602 to second mandrel 1604 .
- adhesive applicator assembly 1326 includes three adhesive applicators 1328 , two of which are configured to apply adhesive to an exterior surface of bottom end panels 96 and 102 , and one of which is configured to apply adhesive to an exterior surface of glue panel 38 .
- Adhesive applicators 1328 are coupled in communication with an adhesive supply (not shown), which may be controlled by control system 1004 (shown in FIG. 7 ) to control a starting time, a pattern, an ending time, a length of adhesive bead, and/or any other suitable operations of adhesive applicators 1328 .
- Adhesive applicator assembly 1326 is positioned downstream from mandrel pre-fold section 1300 .
- adhesive applicators 1328 may apply adhesive to one or more panels of blank 20 while the panels are in a substantially vertical orientation (shown in FIG. 19 ).
- adhesive applicators 1328 may be configured to apply adhesive to one or more panels of blank 20 while adhesive applicators 1328 are arranged in a substantially horizontal orientation (shown in FIGS. 23 and 24 ), thereby reducing the likelihood of adhesive seeping or leaking back into and clogging adhesive applicators 1328 .
- adhesive applicator assembly 1326 also includes adhesive applicator guide rails 1330 configured to maintain alignment of a blank 20 during the adhesive application process and/or as the blank is transferred from the mandrel pre-fold section 1300 to the mandrel wrap section 1400 .
- Adhesive applicator guide rails 1330 are positioned adjacent mandrel guide rails 1634 , 1636 , 1638 , and 1640 , adjustable plates 1606 and 1608 , and/or miter plates 1610 and 1612 , and extend along the X direction.
- adhesive applicator guide rails 1330 engage an exterior surface of one or more panels of blank 20 , thereby maintaining alignment of blank 20 against one or more of mandrel guide rails 1634 , 1636 , 1638 , and/or 1640 , adjustable plates 1606 and/or 1608 , and/or miter plates 1610 and/or 1612 .
- adhesive applicator guide rails 1330 are configured to engage an exterior surface of bottom end panels 96 and 102 , end panels 28 and 36 , and top end panels 94 and 104 , as blank 20 is transferred from mandrel pre-fold section 1300 to mandrel wrap section 1400 .
- machine 1000 may include guide rails substantially identical to guide rails 1330 positioned along mandrel assembly 1600 at any desired location.
- machine 1000 may include guide rails substantially identical to guide rails 1330 positioned above mandrel guide rails and configured to engage an exterior surface second side panel 32 .
- FIGS. 25-43 illustrate various portions and perspectives of mandrel wrap section 1400 , as well as outfeed section 1500 and mandrel assembly 1600 .
- blanks 20 are received in mandrel wrap section 1400 from mandrel pre-fold section 1300 by transfer assembly 1304 .
- Mandrel wrap section 1400 is configured to wrap one or more unfolded portions of blank 20 (generally referred to as a second portion of blank 20 ) around second mandrel 1604 , and to form a container 200 by securing one or more panels of blank 20 together.
- Mandrel wrap section 1400 includes second mandrel 1604 , a mandrel retention assembly 1402 , a wrapping assembly 1404 , a bottom folder assembly 1406 , a bottom presser assembly 1408 , and an ejection assembly 1410 .
- second mandrel 1604 has an external shape complementary to an internal shape of a second portion of container 200 that is formed at mandrel wrap section 1400 . More specifically, referring to FIG. 27 , second mandrel 1604 includes a plurality of faces 1660 , 1662 , 1664 , 1666 , 1668 , 1670 , 1672 , 1674 , and 1676 that substantially correspond to at least some of the panels on blank 20 .
- second mandrel 1604 includes top faces 1660 and 1662 that substantially correspond to second side panel 32 , side faces 1664 and 1666 that substantially correspond to first end panel 28 , bottom faces 1668 and 1670 that substantially corresponds to first side panel 24 , a corner face 1672 that substantially corresponds to first corner panel 22 and/or glue panel 38 , and side faces 1674 and 1676 that substantially correspond to second end panel 36 .
- Corner face 1672 (interchangeably referred to as miter face) extends from bottom face 1670 at an oblique angle.
- Any of the mandrel faces can be solid plates, frames, plates including openings defined therein, and/or any other suitable component that provides a face and/or surface configured to enable a container to be formed from a blank as described herein.
- second mandrel 1604 is a two-piece mandrel. More specifically, second mandrel 1604 includes two interchangeable mandrel plates 1678 and 1680 slidably mounted to frame 1002 by a plurality of bolts (not shown). Mandrel plates 1678 and 1680 define faces 1660 , 1662 , 1664 , 1666 , 1668 , 1670 , 1672 , 1674 , and 1676 of second mandrel 1604 . Specifically, faces 1662 , 1664 , 1666 , 1668 are defined by mandrel plate 1678 , and faces 1660 , 1670 , 1672 , 1674 , and 1676 are defined by mandrel plate 1680 .
- the two-piece construction of second mandrel 1604 facilitates selectively adjusting the size and/or shape of second mandrel 1604 to accommodate blanks and containers of varying sizes and/or shapes (e.g., four- or six-sided containers).
- mandrel guide rails 1634 , 1636 , 1638 , and 1640 are extensions of mandrel plates 1678 and 1680 .
- faces 1660 , 1662 , 1664 , 1666 , 1668 , 1670 , 1672 , 1674 , and 1676 of second mandrel 1604 at least partially define faces 1644 , 1642 , 1646 , 1650 , 1652 , 1654 , 1656 , 1658 , and 1648 of mandrel guide rails 1634 , 1636 , 1638 , and 1640 , respectively.
- mandrel plates 1678 and 1680 are constructed from the same low-friction, wear-resistant plastic that miter plates 1610 and 1612 are constructed from to facilitate transferring blanks 20 from first mandrel 1602 to second mandrel 1604 . It is understood, however, that mandrel plates 1678 and 1680 may be constructed from any suitable material that enables machine 1000 to function as described herein.
- mandrel retention assembly 1402 is configured to secure a blank 20 between second mandrel 1604 and mandrel retention assembly 1402 while one or more unfolded portions of blank 20 are wrapped around second mandrel 1604 .
- mandrel retention assembly 1402 includes a plate-over tool 1412 having an interior surface shaped complementary to one or more faces 1660 , 1662 , 1664 , 1666 , 1668 , 1670 , 1672 , 1674 , and/or 1676 of second mandrel 1604 .
- Plate-over tool 1412 is operatively coupled to a linear actuator 1414 configured to move plate-over tool 1412 from a first, generally raised position (shown in FIG.
- plate-over tool 1412 when plate-over tool 1412 is in the second position, the interior surface of plate-over tool 1412 engages one or more panels of blank 20 , and thereby secures blank 20 between second mandrel 1604 and plate-over tool 1412 .
- plate-over tool 1412 includes side locking panels 1490 and 1492 and miter bars 1494 and 1496 (also seen in FIG. 42 ) configured to engage first end panel 28 and second end panel 36 , and third corner panel 30 and fourth corner panel 34 , respectively.
- Plate-over tool 1412 is removably coupled within mandrel retention assembly 1402 such that plate-over tool 1412 may be interchanged with plate-over tools having interior surfaces of different sizes and/or shapes to accommodate blanks of varying sizes and/or shapes. Further, miter bars 1494 and 1496 are removably coupled within plate-over tool 1412 such that miter bars 1494 and 1496 may be selectively removed (e.g., when forming a container without corner or miter panels).
- plate-over tool 1412 is initially positioned in the first, raised position as a blank 20 is transferred from mandrel pre-fold section 1300 to mandrel wrap section 1400 .
- linear actuator 1414 actuates, thereby moving plate-over tool 1412 vertically downward from the first position to the second position.
- Plate-over tool 1412 is held in the second position while a second portion of blank 20 is wrapped around second mandrel 1604 and/or while container 200 is formed.
- linear actuator 1414 reverses direction and raises plate-over tool 1412 from the second position to the first position.
- plate-over tool 1412 is raised after a manufacturing joint is formed and before the bottom wall 222 of container 200 is formed.
- wrapping assembly 1404 is positioned adjacent second mandrel 1604 , and is configured to wrap one or more unfolded portions of blank 20 under and/or around second mandrel 1604 .
- Wrapping assembly 1404 includes a fold-under assembly 1416 , a glue panel folder assembly 1418 , and a glue panel presser assembly 1420 .
- fold-under assembly 1416 includes a rotary drive mechanism 1422 and a folding arm 1424 having opposing first and second ends 1426 and 1428 , an engaging bar 1430 disposed at first end 1426 , squaring bars 1432 disposed between first and second ends 1426 and 1428 , and miter bars 1434 disposed between first and second ends 1426 and 1428 .
- Folding arm 1424 and rotary drive mechanism 1422 are configured to wrap a second portion of blank 20 around second mandrel 1604 . More specifically, engaging bar 1430 is configured to contact a second portion of a partially folded blank 20 to wrap blank 20 about second mandrel 1604 as folding arm 1424 is rotated by rotary drive mechanism 1422 .
- engaging bar 1430 is configured to contact one or more of first side panel 24 and/or first corner panel 22 .
- Miter bars 1434 are configured to contact second corner panel 26 to position second corner panel 26 adjacent and/or against side face 1666 and/or bottom face 1668 of second mandrel 1604 as folding arm 1424 is rotated by rotary drive mechanism 1422 .
- Squaring bar 1432 is configured to contact first end panel 28 adjacent fold line 44 to facilitate aligning and folding panels 26 and 28 against second mandrel 1604 as the second portion of blank 20 is wrapped about second mandrel 1604 .
- folding arm 1424 , engaging bar 1430 , squaring bar 1432 , and/or miter bar 1434 may be detachably coupled within fold-under assembly 1416 such that the components of fold-under assembly 1416 may be interchanged with other components to accommodate blanks of varying sizes and/or shapes.
- the position of engaging bar 1430 , squaring bar 1432 , and/or miter bar 1434 may be adjusted with respect to one another and/or with respect to ends 1426 and 1428 of folding arm 1424 to accommodate blanks of varying sizes and/or shapes.
- Folding arm 1424 is coupled to rotary drive mechanism 1422 at second end 1428 such that operation of rotary drive mechanism 1422 causes folding arm 1424 to rotate towards and/or away from bottom faces 1668 of second mandrel 1604 .
- rotary drive mechanism 1422 is a rack-and-pinion drive system including a pinion gear 1436 operatively coupled to a rack 1438 , which is in turn operatively coupled to a linear actuator 1440 (e.g., a pneumatic cylinder).
- Fold-under assembly 1416 is mounted to a bi-directional positioning system 1442 configured to permit manual adjustment of the position of fold-under assembly 1416 with respect to second mandrel 1604 .
- Bi-directional positioning system 1442 is configured to permit movement of fold-under assembly 1416 in a plane substantially perpendicular to the X direction, defined by the transverse direction Y and a vertical direction indicated by an arrow Z. That is, bi-directional positioning system 1442 permits fold-under assembly 1416 to be moved laterally towards and away from one or more of side faces 1664 , 1666 , 1674 and/or 1676 , and upwards and downwards with respect to second mandrel 1604 .
- folding arm 1424 is initially positioned in a first, generally down position (shown in FIGS. 25 and 26 ). After a blank 20 is positioned on second mandrel 1604 , rotary drive mechanism 1422 activates and rotates folding arm 1424 towards bottom faces 1668 and 1670 of second mandrel 1604 into a second, general up position (shown in FIG. 32 ). As folding arm 1424 rotates towards bottom faces 1668 and 1670 , engaging bar 1430 contacts the second portion of blank, and folds the second portion about second mandrel 1604 until one or more panels of blank 20 is adjacent and/or against a corresponding face of second mandrel 1604 .
- folding arm 1424 rotates towards the second position, squaring bar 1432 and miter bar 1434 contact an end panel and a corner of blank 20 , respectively, and position the end panel and corner panel adjacent and/or against side face 1666 and bottom face 1668 of second mandrel 1604 , respectively.
- Rotary drive mechanism 1422 then reverses direction and rotates folding arm 1424 back into the first position to repeat the fold-under process for subsequent blanks 20 .
- folding arm 1424 is held in the second position while a manufacturing joint is formed by glue panel folder assembly 1418 and glue panel presser assembly 1420 , described in more detail below.
- folding arm 1424 also includes a stopper 1488 .
- Stopper 1488 is configured to stop motion of blank 20 in the X direction resulting from operation of transfer assembly 1304 . More specifically, stopper 1488 is configured to engage a leading edge 128 (shown in FIG. 1 ) of one or more bottom panels 62 , 68 , 96 and/or 102 to stop motion of blank 20 in the X direction. Stopper 1488 is positioned adjacent mandrel wrap section 1400 such that blank 20 is stopped within mandrel wrap section 1400 . In the example embodiment, stopper 1488 is a stationary bar.
- Stopper 1488 is configured to engage a leading edge 128 of a panel, such as first bottom side panel 62 , that is subsequently wrapped around second mandrel 1604 such that stopper 1488 does not impede motion of blank 20 in the X direction after blank 20 is wrapped around second mandrel 1604 in mandrel wrap section 1400 .
- stopper 1488 may be retractable from a first, extended position to a second, retracted position. In such embodiments, stopper 1488 may be initially positioned in the first, extended position to stop a blank 20 as blank 20 moves in the X direction.
- stopper 1488 stops blank 20
- stopper may be retracted to the second, retracted position to permit blank 20 to move in the X direction after blank 20 is wrapped around second mandrel 1604 in the mandrel wrap section 1400 .
- stopper 1488 may be operable to move between the first position and the second position by any suitable means (e.g., rotation) that enables stopper 1488 to function as described herein.
- stopper 1488 may be included within transfer assembly 1304 .
- glue panel folder assembly 1418 and glue panel presser assembly 1420 are configured to fold a second portion of blank 20 about second mandrel 1604 , and form a manufacturer joint of container 200 .
- glue panel folder assembly 1418 and glue panel presser assembly 1420 are positioned opposite fold-under assembly 1416 with respect to second mandrel 1604 .
- glue panel folder assembly 1418 and glue panel presser assembly 1420 are positioned adjacent corner face 1672 of second mandrel 1604 .
- Glue panel folder assembly 1418 includes an angled plate 1444 having a face 1446 substantially parallel to corner face 1672 of second mandrel 1604 .
- Angled plate 1444 is operatively coupled to a linear actuator 1448 via mounting plate 1450 that moves angled plate 1444 toward and away from second mandrel 1604 .
- Angled plate 1444 is configured to contact and/or fold glue panel 38 during formation of container 200 .
- angled plate 1444 is configured to rotate glue panel 38 about fold line 54 towards and/or into contact with corner face 1672 .
- Glue panel presser assembly 1420 includes a presser plate 1452 having a pressing surface 1454 substantially parallel to corner face 1672 of second mandrel 1604 .
- Presser plate 1452 is coupled to a linear actuator 1456 via a mounting plate 1458 that moves presser plate 1452 toward and away from second mandrel 1604 .
- Presser plate 1452 is configured to contact and/or fold first corner panel 22 and/or glue panel 38 to form container 200 .
- presser plate 1452 is configured to press first corner panel 22 and glue panel 38 together against corner face 1672 of second mandrel 1604 to form a manufacturing joint at first corner wall 204 of container 200 .
- Glue panel folder assembly 1418 and glue panel presser assembly 1420 are each adjustably coupled to a rail system 1460 such that glue panel folder assembly 1418 and glue panel presser assembly 1420 can be adjusted in the vertical direction Z to accommodate blanks having different sizes and/or shapes.
- angled plate 1444 and presser plate 1452 are each initially positioned in a respective first position (shown in FIG. 35 ).
- linear actuator 1448 moves angled plate 1444 from the first position towards corner face 1672 of second mandrel 1604 and into a second position (shown in FIG. 36 ).
- angled plate 1444 moves towards the second position, angled face 1446 contacts a corner panel of blank 20 and positions the corner panel adjacent and/or in contact with corner face 1672 .
- angled plate 1444 contacts and folds first corner panel 22 around second mandrel 1604 about fold line 40 .
- linear actuator 1456 activates and begins moving presser plate 1452 from the first position towards corner face 1672 of second mandrel 1604 and into a second position (shown in FIG. 37 ).
- linear actuator 1448 reverses direction and moves angled plate 1444 from the second position back into the first position.
- presser plate 1452 contacts a corner panel of blank 20 and presses the corner panel together with another corner panel of blank 20 against corner face 1672 of second mandrel 1604 .
- presser plate 1452 contacts and folds glue panel 38 around second mandrel 1604 about fold line 54 .
- Presser plate 1452 presses first corner panel 22 and glue panel 38 together against corner face 1672 of second mandrel 1604 .
- Presser plate 1452 is held against panels 22 and 38 for a predetermined time period and/or duration to ensure that adhesive bonds panels 22 and 38 together. Accordingly, fold-under assembly 1416 , glue panel folder assembly 1418 , and glue panel presser assembly 1420 cooperate to fold blank 20 along fold lines 40 , 42 , 44 , and 54 to form container 200 .
- bottom folder assembly 1406 is positioned downstream from second mandrel 1604 , and is configured to fold one or more bottom panels 62 , 68 , 96 and/or 102 of blank 20 about second mandrel 1604 .
- Bottom folder assembly 1406 includes a pair of side panel bullet arms 1462 and 1464 configured to fold a bottom side panel 62 or 68 of blank 20 about second mandrel 1604 , and a pair of end panel bullet arms 1466 and 1468 configured to fold bottom end panels 96 and 102 of blank 20 about second mandrel 1604 , respectively.
- each side panel bullet arm 1462 and 1464 includes a tip 1470 and a shaft 1472 operatively coupled to a linear actuator 1474 .
- Side panel bullet arms 1462 and 1464 are obliquely angled with respect to bottom faces 1668 and 1670 of second mandrel 1604 such that operation of linear actuators 1474 causes tips 1470 to move towards second mandrel 1604 and fold a bottom side panel 62 or 68 around second mandrel 1604 about fold line 66 or 72 .
- side panel bullet arms 1462 and 1464 are configured to fold first bottom side panel 62 about fold line 66 .
- Each end panel bullet arm 1466 and 1468 includes a tip 1470 and a shaft 1472 similar to tips 1470 and shafts 1472 of side panel bullet arms 1462 and 1464 .
- Shafts 1472 of end panel bullet arms 1466 and 1468 are operatively coupled to linear actuators 1476 and 1478 , respectively.
- End panel bullet arms 1466 and 1468 are obliquely angled with respect to side faces 1664 , 1666 , 1674 , and 1676 of second mandrel 1604 .
- end panel bullet arms 1466 and 1468 are angled with respect to one another such that operation of linear actuator 1476 causes tip 1470 of end panel bullet arm 1466 to move towards second mandrel 1604 and fold bottom end panel 96 around second mandrel 1604 about fold line 100 , and operation of linear actuator 1478 causes tip 1470 of end panel bullet arm 1468 to move towards second mandrel 1604 and fold bottom end panel 102 around second mandrel 1604 about fold line 106 .
- bottom presser assembly 1408 is positioned above second mandrel 1604 , and is configured to form bottom wall of container 200 . More specifically, bottom presser assembly 1408 includes an upper plate 1480 configured to press bottom panels 62 , 68 , 96 , and/or 102 together to form bottom wall 222 of container 200 . Upper plate 1480 is pivotably mounted to a linear actuator 1482 , the operation of which causes upper plate 1480 to rotate between a first, generally flat position (shown in FIG. 40 ) and a second, generally vertical position (shown in FIG. 42 ). Upper plate 1480 is configured to lay flat in the first position and rotate toward second mandrel 1604 to the second position.
- container 200 can be ejected from second mandrel 1604 beneath upper plate 1480 to outfeed section 1500 , described in more detail below.
- upper plate 1480 compresses bottom panels 62 , 68 , 96 , and/or 102 together.
- upper plate 1480 As upper plate 1480 rotates toward the second position, upper plate 1480 contacts one or more of bottom panels 62 , 68 , 96 , and 102 of blank 20 , and presses bottom panels 62 , 68 , 96 , and 102 of blank 20 together to form bottom wall 222 of container 200 .
- upper plate also folds first and second bottom side panels 62 and 68 about fold lines 66 and 72 , respectively, as upper plate 1480 moves from the first position to the second position.
- upper plate 1480 includes separate plate sections which may be interchanged with other plate sections to accommodate blanks having different sizes and/or shapes.
- mandrel retention assembly 1402 and bottom presser assembly 1408 are operatively mounted to a linear actuator 1498 (shown in FIGS. 41 and 43 ) configured to raise and lower both mandrel retention assembly 1402 and bottom presser assembly 1408 .
- a linear actuator 1498 shown in FIGS. 41 and 43
- mandrel retention assembly 1402 and bottom presser assembly 1408 may be raised from a lowered, operational position to a raised, standby position using linear actuator 1498 such that a user (not shown) may access second mandrel 1604 to adjust and/or interchange components of second mandrel 1604 , and clean and/or clear debris from machine 1000 .
- a locking pin (not shown) may also be provided to secure mandrel retention assembly 1402 and bottom presser assembly 1408 in the raised, standby position.
- bottom folder assembly 1406 and bottom presser assembly 1408 are illustrated as two separate assemblies. In alternative embodiments, bottom folder assembly 1406 and bottom presser assembly 1408 may be integrated into a single bottom forming assembly (not shown) that is configured to perform all of the functions and operations of bottom folder assembly 1406 and bottom presser assembly 1408 .
- Ejection assembly 1410 includes an ejection plate 1484 moveable from a first position within second mandrel 1604 (shown in FIG. 40 ) to a second, generally extended position downstream from second mandrel 1604 (shown in FIG. 43 ).
- bottom folder assembly 1406 and bottom presser assembly 1408 fold and/or press bottom panels 62 , 68 , 96 , and/or 102 against ejection plate 1484 to form bottom wall 222 of container 200 .
- container 200 is removed from second mandrel 1604 .
- ejection plate 1484 is positioned within the second mandrel 1604 , and is operatively coupled to a linear actuator 1486 (shown in FIG. 16 ) positioned within mandrel assembly 1600 upstream from ejection plate 1484 .
- outfeed section 1500 includes a conveyor assembly 1502 that moves containers 200 from mandrel wrap section 1400 toward a product load section (not shown). More specifically, conveyor assembly 1502 includes a plurality of conveyor belts 1504 positioned downstream from mandrel wrap section 1400 such that ejection plate 1484 is above conveyor belts 1504 when ejection plate 1484 is at its second position. Outfeed section 1500 facilitates discharging a formed container 200 from machine 1000 . Conveyor belts 1504 are slidably mounted to rails 1506 such that conveyor belts 1504 may be adjusted in the transverse direction Y to accommodate blanks and containers of varying sizes and/or shapes.
- end panel bullet arms 1466 and 1468 are also slidably mounted on rails 1506 such that end panel bullet arms 1466 and 1468 may be adjusted in the transverse direction Y to accommodate blanks and containers of varying sizes and/or shapes.
- rails 1506 are slidably mounted on a rail system 1510 such that rails 1506 may be selectively adjusted in the vertical direction Z.
- the entire conveyor assembly 1502 as well as end panel bullet arms 1466 and 1468 may be adjusted in the vertical direction to accommodate blanks and containers of varying sizes and/or shapes.
- conveyor assembly 1502 is operatively coupled to a drive mechanism 1508 configured to continuously drive conveyor belts 1504 while machine 1000 is forming containers 200 .
- conveyor assembly 1502 may include a servomechanism (not shown) configured to remove container 200 from machine 1000 at a predetermined speed and timing.
- conveyor assembly 1502 may be servo-controlled in synchronism with ejection plate 1484 such that conveyor belts 1504 are only activated when container 200 is being ejected from mandrel wrap section 1400 .
- blank 20 is positioned over first mandrel 1602 by pick-and-place assembly 1202 .
- pick-and-place assembly 1202 Referring to FIGS. 11, 15, and 19 , when blank 20 is positioned on top of first mandrel 1602 , folding fingers 1306 and 1308 of pre-folding assembly 1302 are rotated from the first position downward relative to blank 20 to the second position by linear actuator 1312 .
- folding fingers 1306 and 1308 fold first and second end panels 28 and 36 downward about fold lines 42 and/or 48 and 50 and/or 52 , respectively, to be adjacent to and/or in contact with side faces 1618 and 1620 of miter plates 1610 and 1612 and/or side faces 1626 and 1628 of adjustable plates 1606 and 1608 , respectively.
- Folding first and second end panels 28 and 36 also causes third corner panel 30 and fourth corner panel 34 to be folded downward about fold lines 48 and 50 , respectively, to be adjacent to and/or in contact with angled faces 1614 and 1616 of miter plates 1610 and 1612 .
- Transfer assembly 1304 facilitates transfer of partially formed container 200 from mandrel pre-fold section 1300 to mandrel wrap section 1400 . More specifically, pusher foot 1322 engages a trailing edge 126 of blank 20 and pushes blank 20 toward mandrel wrap section 1400 along mandrel guide rails 1634 , 1636 , 1638 , and/or 1640 . As described above, folding fingers 1306 and 1308 of pre-folding assembly 1302 are held in the second position to facilitate maintaining the alignment of partially formed container 200 as it is transferred from mandrel pre-fold section 1300 to mandrel wrap section 1400 .
- adhesive applicator assembly 1326 applies adhesive to one or more panels of blank 20 .
- adhesive applicator assembly 1326 applies adhesive to an exterior surface of bottom end panels 96 and 102 , and glue panel 38 .
- Blank 20 arrives at the mandrel wrap section 1400 as a partially formed container 200 .
- Stopper 1488 facilitates positioning blank 20 within mandrel wrap section 1400 by preventing blank 20 from being pushed by transfer assembly 1304 too far downstream in the X direction.
- a leading edge 128 of blank 20 contacts stopper 1488 , which stops further progress of blank 20 in the X direction.
- plate-over tool 1412 is lowered downwardly relative to blank 20 by linear actuator 1414 to maintain the position and/or alignment of blank 20 while one or more remaining portions of blank 20 are wrapped around second mandrel 1604 .
- plate-over tool 1412 engages first end panel 28 , second side panel 32 , and second end panel 36 .
- folding arm 1424 of fold-under assembly 1416 wraps the second portion of blank 20 around second mandrel 1604 . More specifically, folding arm 1424 is rotated such that engaging bar 1430 , squaring bar 1432 , and miter bar 1434 wrap the second portion of blank 20 around second mandrel 1604 .
- Engaging bar 1430 folds first side panel 24 towards bottom faces 1668 and 1670 of second mandrel 1604 about fold lines 42 and/or 44 such that first side panel 24 is in face-to-face contact with bottom faces 1668 and/or 1670 of second mandrel 1604 .
- glue panel folder assembly 1418 is moved towards glue panel 38 to fold glue panel 38 about fold line 54 toward corner face 1672 of second mandrel 1604 .
- glue panel folder assembly 1418 folds glue panel 38 in face-to-face contact with corner face 1672 of second mandrel 1604 .
- glue panel presser assembly 1420 is moved towards first corner panel 22 and/or glue panel 38 , and presses first corner panel 22 and glue panel 38 together to form a manufacturer joint of container 200 .
- Presser plate 1452 of glue panel presser assembly 1420 is held against panels 22 and 38 for a predetermined time period and/or duration to ensure that adhesive bonds panels 22 and 38 together.
- glue panel presser assembly 1420 also folds first corner panel 22 about fold line 40 toward corner face 1672 of second mandrel 1604 . Accordingly, fold-under assembly 1416 , glue panel folder assembly 1418 , and glue panel presser assembly 1420 cooperate to fold blank 20 along fold lines 40 , 42 , 44 , and 54 to form container 200 .
- bottom folder assembly 1406 rotates bottom panels 62 , 96 , and 102 about fold lines 66 , 100 , and 106 , respectively. More specifically, tips 1470 of end panel bullet arms 1466 and 1468 fold first and second end panels 96 and 102 about fold lines 100 and 106 , respectively, to be in face-to-face contact with ejection plate 1484 , and tips 1470 of side panel bullet arms 1462 and 1464 fold first bottom side panel 62 about fold line 66 towards ejection plate 1484 to be adjacent to and/or in contact with ejection plate 1484 .
- upper plate 1480 of bottom presser assembly 1408 rotates downward and folds second bottom side panel 68 against bottom panels 62 , 96 , and/or 102 and/or ejection plate 1484 .
- Upper plate 1480 presses panels 62 , 68 , 96 , and/or 102 against ejection plate 1484 for a predetermined period and/or duration of time to ensure that adhesive bonds panels 62 , 68 , 96 , and/or 102 together.
- side panel bullet arms 1462 and 1464 are retracted as upper plate 1480 is rotated downwards so as to avoid contact between bullet arms 1462 and 1464 and upper plate 1480 .
- upper plate 1480 may have notches or cutouts (not shown) defined therein corresponding to bullet arms 1462 and 1464 such that bullet arms 1462 and 1464 may be held in the second position while upper plate 1480 rotates downward and presses panels 62 , 68 , 96 , and/or 102 against ejection plate 1484 .
- ejection assembly 1410 facilitates removal of formed container 200 from mandrel wrap section 1400 to outfeed section 1500 . More specifically, ejection plate 1484 applies a force to bottom wall 222 of container 200 to remove container 200 from mandrel assembly 1600 .
- ejection plate 1484 is at a first position within and/or adjacent to second mandrel 1604 during formation of container 200 .
- ejection plate 1484 is moved to a second position adjacent outfeed section 1500 .
- container 200 is moved toward outfeed section 1500 .
- container 200 is conveyed downstream from machine 1000 for loading and/or top wall formation by conveyor assembly 1502 .
- top panels 60 , 70 , 84 , and 104 are closed to form top wall 224 for shipping of the product.
- machine 1000 , sections 1100 , 1200 , 1300 , 1400 , and 1500 , and assemblies, subassemblies, and components thereof may be configured to form a container by folding a blank up and around a mandrel assembly, rather than down and around a mandrel assembly.
- pre-folding assembly 1302 may be positioned beneath mandrel assembly 1600 , and configured to fold a blank 20 up and around mandrel assembly 1600 .
- mandrel assembly 1600 may be oriented at 180 degrees with respect to the orientation shown in FIG. 16 such that miter plates 1610 and 1612 are mounted to a bottom of adjustable plates 1606 and 1608 .
- machine 1000 may include additional guide rails positioned beneath mandrel assembly 1600 configured to have a blank 20 placed thereon and slid along the guide rails in the container forming direction X.
- Such guide rails may have a construction and/or a configuration substantially similar to mandrel guide rails 1634 , 1636 , 1638 , and/or 1640 .
- mandrel retention assembly 1402 may be positioned below mandrel assembly 1600 , and plate-over tool 1412 may be configured to be raised, rather than lowered, to secure a blank against second mandrel 1604 while the blank is wrapped around second mandrel 1604 to form a container.
- wrapping assembly 1404 may be positioned above mandrel assembly 1600 , and folding arm 1424 of fold-under assembly 1416 may be configured to rotate downwards, rather than upwards, to fold a portion of a blank around mandrel assembly 1600 .
- bottom presser assembly 1408 may be positioned below mandrel assembly 1600 , and upper plate 1480 (better described as a lower plate in such an embodiment) may be configured to rotate upwards towards ejection plate 1484 to press panels 62 , 68 , 96 , and/or 102 against ejection plate 1484 to form a bottom wall of a container.
- blanks 20 may be loaded into magazine feed section 1100 in a substantially horizontal orientation, substantially similar to the orientation of blank 20 when placed on first mandrel 1602 by vacuum transfer section 1200 (shown in FIG. 15 ). Blanks 20 may be fed directly into pre-fold section 1300 by magazine feed section 1100 by sliding a blank 20 along the additional guide rails (not shown) positioned beneath mandrel assembly 1600 using magazine drives 1102 and 1104 . Thus, in such an embodiment, vacuum transfer section 1200 may be omitted from machine 1000 . Further, in such an embodiment, pre-fold section 1300 may include a stopper substantially similar to stopper 1488 configured to stop a blank 20 within pre-fold section 1300 .
- tray blank 2020 is coupled to another blank (a lid blank 2420 , shown in FIG. 46 ) to form a blank assembly (such as blank assembly 2920 , shown in FIG. 52 ) that is used to form a different embodiment of container 200 (shown in FIGS. 2-5 ), namely a RRP container (such as container 2800 , shown in FIGS. 49-51 ).
- tray blank 2020 includes a series of aligned wall panels and end panels connected together by a plurality of preformed, generally parallel, fold lines.
- the wall panels include a tray glue panel 2022 , a first tray corner panel 2024 , a first tray side panel 2026 , a second tray corner panel 2028 , a first tray end panel 2030 , a third tray corner panel 2032 , a second tray side panel 2034 , a fourth tray corner panel 2036 , and a second tray end panel 2038 connected in series along a plurality of fold lines 2040 , 2042 , 2044 , 2046 , 2048 , 2050 , 2052 , and 2054 .
- Tray glue panel 2022 extends from a first free edge 2056 to fold line 2040
- first tray corner panel 2024 extends from tray glue panel 2022 along fold line 2040
- first tray side panel 2026 extends from first tray corner panel 2024 along fold line 2042
- second tray corner panel 2028 extends from first tray side panel 2026 along fold line 2044
- first tray end panel 2030 extends from second tray corner panel 2028 along fold line 2046
- third tray corner panel 2032 extends from first tray end panel 2030 along fold line 2048
- second tray side panel 2034 extends from third tray corner panel 2032 along fold line 2050
- fourth tray corner panel 2036 extends from second tray side panel 2034 along fold line 2052
- second tray end panel 2038 extends from fourth tray corner panel 2036 along fold line 2054 to a second free edge 2058 .
- a first tray bottom side panel 2060 extends from first tray side panel 2026 along a preformed fold line 2062 that is generally parallel to an opposing free edge 2064 of first tray side panel 2026 .
- a second tray bottom side panel 2066 extends from second tray side panel 2034 along a preformed fold line 2068 that is generally parallel to an opposing free edge 2070 of second tray side panel 2034 .
- Fold lines 2062 and 2068 are generally parallel to each other and generally perpendicular to fold lines 2042 , 2044 , 2050 , and 2052 .
- First tray bottom side panel 2060 and second tray bottom side panel 2066 each include a free edge 2072 and 2074 , respectively.
- Tray bottom side panels 2060 and 2066 each include opposing first angled edge portions 2076 and 2078 that are each obliquely angled with respect to respective fold lines 2062 and/or 2068 .
- tray bottom side panels 2060 and 2066 each include opposing second angled edge portions 2080 and 2082 extending from first angled edge portions 2076 and 2078 at an oblique angle.
- Second angled edge portions 2080 and 2082 are also obliquely angled with respect to respective fold lines 2062 and 2068 .
- First tray bottom side panel 2060 and second tray bottom side panel 2066 each include a notch 2084 extending inwardly into a respective tray bottom side panel 2060 or 2066 from second angled edge portion 2082 .
- a first tray bottom end panel 2086 extends from first tray end panel 2030 along a preformed fold line 2088 that is parallel to an opposing free edge 2090 of first tray end panel 2030 .
- a second tray bottom end panel 2092 extends from second tray end panel 2038 along a preformed fold line 2094 that is parallel to an opposing free edge 2096 of second tray end panel 2038 .
- Fold lines 2088 and 2094 are generally parallel to each other and generally perpendicular to fold lines 2046 , 2048 , 2054 , and 2058 .
- First tray bottom end panel 2086 and second tray bottom end panel 2092 each include a free edge 2098 and 2100 , respectively.
- Tray bottom end panels 2086 and 2092 each include opposing side edge portions 2102 and 2104 that are each substantially parallel to respective fold lines 2046 , 2048 , 2054 , and 2058 .
- a viewing window 2106 (broadly, a notch) extends inwardly into tray blank 2020 from free edges 2070 and 2090 of second tray side panel 2034 and first tray end panel 2030 , respectively. Viewing window 2106 extends across first tray end panel 2030 , third tray corner panel 2032 , and second tray side panel 2034 in a direction parallel to a central horizontal axis 2108 of tray blank 2020 .
- tray bottom side panels 2060 and 2066 as shown in FIG. 44 and described above facilitates forming an octagonal tray 2200 having angled corners, an example of which is shown in FIG. 45 . More specifically, the shape, size, and arrangement of tray bottom side panels 2060 and 2066 facilitates forming tray 2200 having tray corner walls that are obliquely angled with respect to, and interconnect tray side walls and tray end walls of formed tray 2200 . Further, the shape, shape, size, and arrangement of tray panels 2030 , 2032 , and 2034 as shown in FIG. 44 and described above facilitates forming an octagonal tray 2200 with a viewing window to enable viewing of products contained within tray 2200 .
- FIG. 45 illustrates a perspective view of an example tray 2200 in an erected configuration that may be formed from tray blank 2020 (shown in FIG. 44 ).
- Tray 2200 includes a plurality of walls defining a cavity 2202 . More specifically, tray 2200 includes a first tray corner wall 2204 , a first tray side wall 2206 , a second tray corner wall 2208 , a first tray end wall 2210 , a third tray corner wall 2212 , a second tray side wall 2214 , a fourth tray corner wall 2216 , and a second tray end wall 2218 .
- First tray end wall 2210 , third tray corner wall 2212 , and second tray side wall 2214 each have a height 2220 that is smaller than a height 2222 of walls 2204 , 2206 , 2208 , 2216 , and/or 2218 to facilitate viewing of products contained within tray 2200 .
- first tray corner wall 2204 connects first tray side wall 2206 to second tray end wall 2218
- second tray corner wall 2208 connects first tray side wall 2206 to first tray end wall 2210
- third tray corner wall 2212 connects first tray end wall 2210 to second tray side wall 2214
- fourth tray corner wall 2216 connects second tray side wall 2214 to second tray end wall 2218 .
- tray bottom panels 2060 , 2066 , 2086 , and 2092 form a bottom wall 2224 of tray 2200 .
- tray 2200 may have other orientations without departing from the scope of the present disclosure, in the embodiment shown in FIG. 45 , tray end walls 2210 and 2218 are substantially parallel to each other, tray side walls 2206 and 2214 are substantially parallel to each other, first tray corner wall 2204 and third tray corner wall 2212 are substantially parallel to each other, and second tray corner wall 2208 and fourth tray corner wall 2216 are substantially parallel to each other.
- Tray corner walls 2204 , 2208 , 2212 , and 2216 are obliquely angled with respect to tray walls 2206 , 2210 , 2214 , and 2218 they interconnect to form angled corners of tray 2200 .
- FIG. 46 is an interior view of a blank 2420 of sheet material for forming a lid 2600 (shown in FIGS. 47 and 48 ) that is releasably attachable to tray 2200 (shown in FIG. 45 ).
- Lid blank 2420 includes a series of aligned wall panels and end panels connected together by a plurality of preformed, generally parallel, fold lines.
- the wall panels include a first lid corner panel 2422 , a first lid side panel 2424 , a second lid corner panel 2426 , a first lid end panel 2428 , a third lid corner panel 2430 , a second lid side panel 2432 , a fourth lid corner panel 2434 , a second lid end panel 2436 , and a lid glue panel 2438 connected in series along a plurality of fold lines 2440 , 2442 , 2444 , 2446 , 2448 , 2450 , 2452 , and 2454 .
- First lid corner panel 2422 extends from a first free edge 2456 to fold line 2440
- first lid side panel 2424 extends from first lid corner panel 2422 along fold line 2440
- second lid corner panel 2426 extends from first lid side panel 2424 along fold line 2442
- first lid end panel 2428 extends from second lid corner panel 2426 along fold line 2444
- third lid corner panel 2430 extends from first lid end panel 2428 along fold line 2446
- second lid side panel 2432 extends from third lid corner panel 2430 along fold line 2448
- fourth lid corner panel 2434 extends from second lid side panel 2432 along fold line 2450
- second lid end panel 2436 extends from fourth lid corner panel 2434 along fold line 2452
- lid glue panel 2438 extends from second lid end panel 2436 along fold line 2454 to a second free edge 2457 .
- a first lid top side panel 2458 extends from first lid side panel 2424 along a preformed fold line 2460 that is generally parallel to an opposing free edge 2462 of first lid side panel 2424 .
- a second lid top side panel 2464 extends from second lid side panel 2432 along a preformed fold line 2466 that is generally parallel to an opposing free edge 2468 of second lid side panel 2432 .
- Fold lines 2460 and 2466 are generally parallel to each other and generally perpendicular to fold lines 2440 , 2442 , 2448 , and 2450 .
- First lid top side panel 2458 and second lid top side panel 2464 each include a free edge 2470 and 2472 , respectively.
- Lid top side panels 2458 and 2464 each include opposing side edge portions 2474 and 2476 that are each substantially parallel to respective fold lines 2440 , 2442 , 2448 , and 2450 .
- lid top side panels 2458 and 2464 each include opposing arc portions 2478 and 2480 extending from respective fold lines 2460 and 2466 to a respective side edge portion 2474 or 2476 .
- lid top side panels 2458 and 2464 each include tabs 2482 and 2484 extending outward from side edge portions 2474 and 2476 , respectively.
- first lid top side panel 2458 and second lid top side panel 2464 each include cutouts 2486 extending along fold lines 2460 and 2466 .
- a first lid top end panel 2488 extends from first lid end panel 2428 along a preformed fold line 2490 that is parallel to an opposing free edge 2492 of first lid end panel 2428 .
- a second lid top end panel 2494 extends from second lid end panel 2436 along a preformed fold line 2496 that is parallel to an opposing free edge 2498 of second lid end panel 2436 .
- Fold lines 2490 and 2496 are generally parallel to each other and generally perpendicular to fold lines 2444 , 2446 , 2452 , and 2454 .
- First lid top end panel 2488 and second lid top end panel 2494 each include a free edge 2500 and 2502 , respectively.
- Lid top end panels 2488 and 2494 each include opposing side edge portions 2504 and 2506 that are each substantially parallel to respective fold lines 2444 , 2446 , 2452 , and 2454 .
- first lid top end panel 2488 and second lid top end panel 2494 each include opposing angled edge portions 2508 and 2510 that are each obliquely angled with respect to respective fold lines 2444 , 2446 , 2452 , and 2454 .
- Lid top end panels 2488 and 2494 also include cutouts 2512 and flaps 2514 extending from fold lines 2490 or 2496 into cutouts 2512 .
- first lid side panel 2424 and second lid side panel 2432 each include a tear-away tab 2516 and 2518 , respectively.
- Tear-away tabs 2516 and 2518 are detachably connected to first lid side panel 2424 and second lid side panel 2432 , respectively, by perforation lines 2520 .
- Tear-away tabs 2516 and 2518 are offset from one another in a direction transverse to a central horizontal axis 2522 of lid blank 2420 by a distance substantially equal to the difference between height 2220 of lid walls 2210 , 2212 , and 2214 , and height 2222 of lid walls 2204 , 2206 , 2208 , 2216 , and 2218 .
- FIG. 47 illustrates a perspective view of an example lid 2600 in an erected, open configuration that may be formed from lid blank 2420 (shown in FIG. 46 ).
- FIG. 48 illustrates a perspective view of lid 2600 in a closed configuration.
- Lid 2600 includes a plurality of walls defining a cavity 2602 . More specifically, lid 2600 includes a first lid corner wall 2604 , a first lid side wall 2606 , a second lid corner wall 2608 , a first lid end wall 2610 , a third lid corner wall 2612 , a second lid side wall 2614 , a fourth lid corner wall 2616 , and a second lid end wall 2618 .
- first lid corner wall 2604 connects first lid side wall 2606 to second lid end wall 2618
- second lid corner wall 2608 connects first lid side wall 2606 to first lid end wall 2610
- third lid corner wall 2612 connects first lid end wall 2610 to second lid side wall 2614
- fourth lid corner wall 2616 connects second lid side wall 2614 to second lid end wall 2618 .
- lid top panels 2458 , 2464 , 2488 , and 2494 form a top wall 2620 of lid 2600 .
- lid 2600 may have other orientations without departing from the scope of the present disclosure, in the embodiments shown in FIGS.
- lid end walls 2610 and 2618 are substantially parallel to each other
- lid side walls 2606 and 2614 are substantially parallel to each other
- first lid corner wall 2604 and third lid corner wall 2612 are substantially parallel to each other
- second lid corner wall 2608 and fourth lid corner wall 2616 are substantially parallel to each other.
- Lid corner walls 2604 , 2608 , 2612 , and 2616 are obliquely angled with respect to lid walls 2606 , 2610 , 2614 , and 2618 they interconnect to form angled corners of lid 2600 .
- FIG. 49 illustrates a perspective view of a container 2800 in an erected, open configuration, that may be formed from tray blank 2020 and lid blank 2420 .
- FIG. 50 illustrates a perspective view of container 2800 in a closed configuration.
- FIG. 51 illustrates an overhead cross-sectional view of container 2800 .
- container 2800 includes a plurality of walls defining a cavity 2802 . More specifically, container 2800 includes a first corner wall 2804 , a first side wall 2806 , a second corner wall 2808 , a first end wall 2810 , a third corner wall 2812 , a second side wall 2814 , a fourth corner wall 2816 , and a second end wall 2818 .
- First corner wall 2804 includes first tray corner panel 2024 , first lid corner panel 2422 , and lid glue panel 2438 ;
- first side wall 2806 includes first tray side panel 2026 and first lid side panel 2424 ;
- second corner wall 2808 includes second tray corner panel 2028 and second lid corner panel 2426 ;
- first end wall 2810 includes first tray end panel 2030 and first lid end panel 2428 ;
- third corner wall 2812 includes third tray corner panel 2032 and third lid corner panel 2430 ;
- second side wall 2814 includes second tray side panel 2034 and second lid corner panel 2426 ;
- fourth corner wall 2816 includes fourth tray corner panel 2036 and fourth lid corner panel 2434 ;
- second end wall 2818 includes second tray end panel 2038 , second lid end panel 2436 , and tray glue panel 2022 .
- first corner wall 2804 connects first side wall 2806 to second end wall 2818
- second corner wall 2808 connects first side wall 2806 to first end wall 2810
- third corner wall 2812 connects first end wall 2810 to second side wall 2814
- fourth corner wall 2816 connects second side wall 2814 to second end wall 2818 .
- tray bottom wall 2224 forms a bottom wall 2820 of container 2800
- lid top wall 2620 forms a top wall 2822 of container 2800 .
- container 2800 may have other orientations without departing from the scope of the present disclosure, in the embodiments shown in FIGS.
- end walls 2810 and 2818 are substantially parallel to each other
- side walls 2806 and 2814 are substantially parallel to each other
- first corner wall 2804 and third corner wall 2812 are substantially parallel to each other
- second corner wall 2808 and fourth corner wall 2816 are substantially parallel to each other.
- Corner walls 2804 , 2806 , 2808 , and 2810 are obliquely angled with respect to walls 2806 , 2810 , 2814 , and 2818 they interconnect to form angled corners of container 2800 .
- Tray bottom panels 2060 , 2066 , 2086 , and 2092 are each orientated generally perpendicular to walls 2804 , 2806 , 2808 , 2810 , 2812 , 2814 , 2816 , and 2818 to form bottom wall 2820 . More specifically, tray bottom end panels 2086 and 2092 are folded beneath/inside of tray bottom side panels 2060 and 2066 . Similarly, in a fully closed position (shown in FIG. 50 ), lid top panels 2458 , 2464 , 2488 , and 2494 are each orientated generally perpendicular to walls 2804 , 2806 , 2808 , 2810 , 2812 , 2814 , 2816 , and 2818 to form top wall 2822 .
- container 2800 may be secured together using any suitable fastener at any suitable location on container 2800 without departing from the scope of the present disclosure
- adhesive (not shown) is applied to an outer surface of second tray end panel 2038 and/or an inner surface of tray glue panel 2022 to form second tray end wall 2218 , and to an outer surface of tray glue panel 2022 and/or an inner surface of first lid corner panel 2422 to form first lid corner wall 2604 .
- adhesive may also be applied to an exterior surface of tear-away tabs 2516 and 2518 and/or an interior surface of first tray side panel 2026 and/or second tray side panel 2034 to form first side wall 2806 and second side wall 2814 .
- adhesive may also be applied to exterior surfaces of tray bottom end panels 2086 and/or 2092 and/or interior surfaces of tray bottom side panels 2060 and/or 2066 to secure tray bottom side panels 2060 and/or 2066 to tray bottom end panels 2086 and/or 2092 to form bottom wall 2820 .
- panels 2022 , 2024 , 2028 , 2030 , 2032 , 2036 , and 2038 of tray blank 2020 and panels 2422 , 2426 , 2428 , 2430 , 2434 , 2436 and 2438 of lid blank 2420 are described herein using terms such as “end,” “corner,” and “glue,” panels 2022 , 2024 , 2028 , 2030 , 2032 , 2036 , 2038 , 2422 , 2426 , 2428 , 2430 , 2434 , 2436 and 2438 of tray blank 2020 and lid blank 2420 may broadly be referred to as “side panels”.
- walls 2204 , 2208 , 2210 , 2212 , 2216 , and 2218 of tray 2400 , walls 2604 , 2608 , 2610 , 2612 , 2616 , and 2618 of lid 2600 , and walls 2804 , 2808 , 2810 , 2812 , 2816 , and 2818 of container 2800 may broadly be referred to as “side walls”.
- tray blank 2020 and lid blank 2420 are intended to form a container 2800 as shown in FIGS. 49-51 . More specifically, in the example embodiment, tray blank 2020 and lid blank 2420 are adhered to one another prior to folding and/or securing together the panels of tray blank 2020 and lid blank 2420 . That is, tray blank 2020 and lid blank 2420 are pre-glued to one another prior to folding and/or securing together the panels of tray blank 2020 and lid blank 2420 . Container 2800 is subsequently formed by folding and/or securing the panels of tray blank 2020 and lid blank 2420 (shown in FIGS. 44 and 46 ).
- FIG. 52 illustrates an exterior view of a blank assembly 2920 formed by attaching tray blank 2020 to lid blank 2420 .
- blank assembly 2920 is formed by placing an interior surface of tray blank 2020 in a face-to-face relationship with an exterior surface of lid blank 2420 , and selectively adhering tray blank 2020 to lid blank 2420 .
- first tray corner panel 2024 is placed in an overlapping and face-to-face relationship with first lid corner panel 2422
- first tray side panel 2026 is placed in an overlapping and face-to-face relationship with first lid side panel 2424
- second tray corner panel 2028 is placed in an overlapping and face-to-face relationship with second lid corner panel 2426
- first tray end panel 2030 is placed in an overlapping and face-to-face relationship with first lid end panel 2428
- third tray corner panel 2032 is placed in an overlapping and face-to-face relationship with third lid corner panel 2430
- second tray side panel 2034 is placed in an overlapping and face-to-face relationship with second lid side panel 2432
- fourth tray corner panel 2036 is placed in an overlapping and face-to-face relationship with fourth lid corner panel 2434
- second tray end panel 2038 is placed in an overlapping and face-to-face relationship with second lid end panel 2436 .
- Tray blank 2020 and lid blank 2420 are attached to one another by applying adhesive to an exterior surface of tear-away tabs 2516 and/or 2518 , and/or applying adhesive to an interior surface of first tray side panel 2026 and/or second tray side panel 2034 , and pressing tray side panels 2026 and 2034 together with respective tear-away tabs 2516 and 2518 .
- lid 2600 is releasably coupled to tray 2200 , and may be removed from tray 2200 by breaking away tear-away tabs 2516 and 2518 from lid 2600 and/or tray 2200 .
- tray blank 2020 and lid blank 2420 are not adhered to one another along any other surface.
- FIGS. 53 and 54 are perspective views of an alternate machine 3000 for forming a container, such as container 2800 (shown in FIGS. 49-51 ) from two or more blanks of sheet material, such as tray blank 2020 and lid blank 2420 (shown in FIGS. 44 and 46 ).
- Machine 3000 is substantially similar to machine 1000 , and, as such, similar components are labeled with similar references. More specifically, machine 3000 is substantially similar to machine 1000 , except machine 3000 includes a tray panel folder 3304 (shown in FIG. 53 ), a tray glue panel presser assembly 3402 (shown in FIGS. 54-56 ), an additional adhesive applicator 3328 (shown in FIG. 54 ), and an extended adhesive applicator guide rail 3330 (shown in FIG. 54 ).
- mandrel pre-fold section 3300 of machine 3000 includes a pre-folding assembly 3302 substantially similar to pre-folding assembly 1302 of machine 1000 , except pre-folding assembly 3302 includes a tray panel folder 3304 coupled to one of folding fingers 1306 and/or 1308 .
- Tray panel folder 3304 is configured to fold one or more panels of tray blank 2020 around first mandrel 1602 when pre-folding assembly 3302 moves from the first, raised position (shown in FIG. 53 ) to the second, lowered position (not shown).
- tray panel folder 3304 is configured to maintain alignment of one or more panels of tray blank 2020 and/or lid blank 2420 as blank assembly 2920 is transferred from mandrel pre-fold section 3300 to mandrel wrap section 3400 . More specifically, tray panel folder 3304 extends from folding finger 1306 and/or 1308 toward first mandrel 1602 , and has a plate-like configuration with an outwardly flared portion 3306 at an end distal from the folding finger 1306 and/or 1308 to which tray panel folder 3304 is coupled. In the example embodiment, tray panel folder 3304 is coupled to folding finger 1308 , and extends toward first mandrel 1602 at an approximately 90 degree angle with respect to folding finger 1308 .
- tray panel folder 3304 may be coupled to folding finger 1306 , or both folding fingers 1306 and 1308 . Further, tray panel folder 3304 may extend towards first mandrel 1602 at an angle other than approximately 90 degrees with respect to the folding finger to which tray panel folder 3304 is coupled.
- Tray panel folder 3304 is adjustably coupled to folding finger 1306 and/or 1308 by a collar 3308 .
- the position of tray panel folder 3304 along folding finger 1306 and/or 1308 may be adjusted, for example, by loosening collar 3308 , selectively sliding collar to a new location, and tightening collar 3308 around folding finger 1306 and/or 1308 .
- folding fingers 1306 and 1308 and tray panel folder 3304 are initially positioned in a first, generally raised position (shown in FIG. 53 ). After a blank assembly 2920 is placed on first mandrel 1602 in the configuration shown in FIG. 52 , folding fingers 1306 and 1308 and tray panel folder 3304 are rotated towards blank assembly 2920 . Folding fingers 1306 and 1308 engage an upward-facing surface of a corresponding panel of lid blank 2420 , and tray panel folder 3304 engages an upward-facing surface of a corresponding panel of tray blank 2020 .
- tray end panels 2086 and/or 2092 are not folded around first mandrel 1602 by folding of lid end panels 2428 and 2436 .
- tray panel folder 3304 facilitates folding of tray end panels 2086 and/or 2092 around first mandrel 1602 and/or second mandrel 1604 .
- Pre-folding assembly 3302 , folding fingers 1306 and 1308 , and tray panel folder 3304 are held in the second position while the pre-folded blank assembly 2920 is transferred from mandrel pre-fold section 3300 to mandrel wrap section 3400 (described in more detail below) to maintain alignment of blank assembly 2920 as blank assembly 2920 is transferred from mandrel pre-fold section 3300 to mandrel wrap section 3400 .
- the adhesive applicator assembly 3326 of machine 3000 is substantially similar to adhesive applicator assembly 1326 , except adhesive applicator assembly 3326 includes an additional adhesive applicator, indicated at 3328 , and an elongated adhesive applicator guide rail 3330 configured to maintain alignment of one or more panels of tray blank 2020 or lid blank 2420 when blank assembly 2920 is positioned within mandrel wrap section 3400 .
- Adhesive applicator 3328 is configured to apply adhesive to at least an exterior surface of one or more panels of tray blank 2020 .
- adhesive applicator 3328 is configured to apply adhesive to an exterior surface of second tray end panel 2038 as blank assembly 2920 is transferred from first mandrel 1602 to second mandrel 1604 .
- mandrel wrap section 3400 of machine 3000 is substantially similar to mandrel wrap section 1400 of machine 1000 , except mandrel wrap section 3400 includes a tray glue panel presser assembly 3402 configured to form a manufacturer joint of tray 2200 and/or container 2800 by folding and/or pressing a glue panel of tray blank 2020 , such as tray glue panel 2022 , against another panel of tray blank 2020 .
- tray glue panel presser assembly 3402 includes a presser plate 3404 having a pressing surface 3406 substantially parallel to side face 1674 of second mandrel 1604 (shown in FIG. 27 ).
- Presser plate 3404 is operatively coupled to a linear actuator 3408 that moves presser plate 3404 toward and away from second mandrel 1604 .
- Presser plate 3404 is configured to contact and/or fold tray glue panel 2022 to form tray 2200 and/or container 2800 .
- presser plate 3404 is configured to press tray glue panel 2022 and second tray end panel 2038 together against side face 1674 of second mandrel 1604 to form a manufacturer joint at second end wall 2818 of container 2800 .
- tray glue panel presser assembly 3402 is included in glue panel presser assembly 1420 . More specifically, tray glue panel presser assembly 3402 is mounted on glue panel presser assembly 1420 via mounting plate 3410 such that when presser plate 1452 of glue panel presser assembly 1420 moves from the first position (shown in FIG. 57 ) to the second position (shown in FIG. 58 ), tray glue panel presser assembly 3402 is positioned adjacent side face 1658 of second mandrel 1604 as shown in FIG. 58 . Also, the length of angled plate 1444 is reduced in machine 3000 to accommodate tray glue panel presser assembly 3402 on glue panel presser assembly 1420 . In alternative embodiments, tray glue panel presser assembly 3402 may be mounted on a structure other than glue panel presser assembly 1420 , such as frame 1002 .
- linear actuator refers to any actuator configured to provide a linear driving force to a member coupled thereto.
- each linear actuator 1112 , 1204 , 1312 , 1320 , 1414 , 1440 , 1448 , 1456 , 1474 , 1476 , 1478 , 1482 , 1486 , 1498 , and 3408 is a pneumatic cylinder actuated by compressed air.
- linear actuators 1112 , 1204 , 1312 , 1320 , 1414 , 1440 , 1448 , 1456 , 1474 , 1476 , 1478 , 1482 , 1486 , 1498 , and 3408 are described herein with reference to pneumatic cylinders, it is understood that any linear actuator configured to provide a suitable linear driving force may be utilized as one or more of linear actuators 1112 , 1204 , 1312 , 1320 , 1414 , 1440 , 1448 , 1456 , 1474 , 1476 , 1478 , 1482 , 1486 , 1498 , and/or 3408 such as mechanical actuators, hydraulic actuators, and the like.
- blank assembly 2920 is placed upon, folded around, and transferred along mandrel assembly 1600 in substantially the same manner as blank 20 in machine 1000 , except tray panel folder 3304 , tray glue panel presser assembly 3402 , adhesive applicator 3328 , and extended adhesive applicator guide rail 3330 cooperate with one another to form a tray 2200 and/or container 2800 .
- blank assembly 2920 is positioned over first mandrel 1602 by pick-and-place assembly 1202 , and folding fingers 1306 and 1308 and tray panel folder 3304 are rotated from the first position to the second position to fold blank assembly 2920 around first mandrel 1602 .
- folding fingers 1306 and 1308 fold first lid end panel 2428 and second lid end panel 2436 downward to be adjacent to and/or in contact with side faces 1618 and 1620 of miter plates 1610 and 1612 and/or side faces 1626 and 1628 of adjustable plates 1606 and 1608 , respectively.
- Tray panel folder 3304 folds second tray end panel 2038 about fold line 2052 and/or 2054 toward mandrel assembly 1600 , specifically, side face 1628 of adjustable plate 1608 .
- Transfer assembly 1304 facilitates transfer of partially formed container 2800 from mandrel pre-fold section 3300 to mandrel wrap section 3400 . More specifically, pusher foot 1322 engages a trailing edge 2922 of blank assembly 2920 (shown in FIG. 52 ) and pushes blank assembly 2920 toward mandrel wrap section 3400 along mandrel guide rails 1634 , 1636 , 1638 , and/or 1640 . As described above, folding fingers 1306 and 1308 and tray panel folder 3304 of pre-folding assembly 3302 are held in the second position to facilitate maintaining the alignment of partially formed container 2800 as it is transferred from mandrel pre-fold section 3300 to mandrel wrap section 3400 .
- adhesive applicator assembly 3326 applies adhesive to blank assembly 2920 in substantially the same manner as adhesive applicator assembly 1326 , except additional adhesive applicator 3328 applies adhesive to an external surface of second tray end panel 2038 .
- Wrapping assembly 1404 wraps an unfolded portion of blank assembly 2920 around second mandrel 1604 in substantially the same manner as wrapping assembly 1404 wraps blank 20 around second mandrel 1604 .
- folding arm 1424 is rotated such that engaging bar 1430 , squaring bar 1432 , and miter bar 1434 wrap a second portion of blank assembly 2920 around second mandrel 1604 .
- engaging bar 1430 folds first lid side panel 2424 and/or first tray side panel 2026 towards bottom faces 1668 and 1670 of second mandrel 1604 (shown in FIG.
- first lid side panel 2424 and/or first tray side panel 2026 are in face-to-face contact with bottom faces 1668 and/or 1670 of second mandrel 1604 .
- Squaring bar 1432 and miter bar 1434 position second tray corner panel 2028 and/or second lid corner panel 2426 in face-to-face contact with side face 1666 of second mandrel 1604 .
- glue panel folder assembly 1418 is moved towards lid glue panel 2438 to fold lid glue panel 2438 about fold line 2454 toward corner face 1672 of second mandrel 1604 .
- glue panel presser assembly 1420 is moved towards first tray corner panel 2024 , first lid corner panel 2422 , and/or lid glue panel 2438 , and presses first lid corner panel 2422 and lid glue panel 2438 together to form a manufacturer joint of lid 2600 and/or container 2800 .
- Presser plate 1452 of glue panel presser assembly 1420 is held against first tray corner panel 2024 and lid panels 2422 and 2438 for a predetermined time period and/or duration to ensure that adhesive bonds lid panels 2422 and 2438 together. Further, while presser plate 1452 is held against first tray corner panel 2024 and lid panels 2422 and 2438 , presser plate 3404 of tray glue panel presser assembly 3402 is moved towards tray glue panel 2022 and/or second tray end panel 2038 , to fold tray glue panel 2022 about fold line 2040 towards side face 1674 of second mandrel 1604 . Presser plate 3404 presses tray glue panel 2022 and second tray end panel 2038 together to form a manufacturer joint of tray 2200 and/or container 2800 . Presser plate 3404 of tray glue panel presser assembly 3402 is held against tray glue panel 2022 and second tray end panel 2038 for a predetermined time period and/or duration to ensure that adhesive bonds tray panels 2022 and 2038 together.
- Bottom folder assembly 1406 and bottom presser assembly 1408 of machine 3000 form bottom wall 2820 of container 2800 in substantially the same manner as bottom folder assembly 1406 and bottom presser assembly 1408 of machine 1000 .
- bottom folder assembly 1406 rotates tray bottom panels 2060 , 2086 , and 2092 about fold lines 2062 , 2088 , and 2094 , respectively, to be in face-to-face contact with ejection plate 1484 .
- Upper plate 1480 of bottom presser assembly 1408 rotates downward and folds second tray bottom side panel 2066 against tray bottom panels 2060 , 2086 , and/or 2092 and/or ejection plate 1484 .
- Upper plate 1480 presses tray bottom panels 2060 , 2066 , 2086 , and/or 2092 against ejection plate 1484 for a predetermined period and/or duration of time to ensure that adhesive bonds tray bottom panels 2060 , 2066 , 2086 , and/or 2092 together.
- Ejection assembly 1410 of machine 3000 facilitates removal of formed container 2800 in substantially the same manner as ejection assembly 1410 of machine 1000 .
- blanks and/or blank assemblies are placed above and/or on top of one or more mandrels during the folding and/or wrapping methods described herein.
- the blank ad/or blank assembly may be wrapped around the mandrel without lifting or moving the blank and/or blank assembly out of the plane in which it is initially placed on the mandrel.
- no complex lift mechanisms are needed to form a container from the blank and/or blank assembly using the methods and machine described herein.
- blanks and blank assemblies are pre-folded around a first mandrel and subsequently wrapped around a second mandrel downstream from the first mandrel.
- the container is formed at multiple mandrels, simple linear actuators, as opposed to complex servomechanisms and control systems, may be utilized to form containers from blanks. As a result, the overall footprint and cost of the machine may be reduced as compared to known container forming machines.
- Example embodiments of containers formed from blanks and a machine for making the same are described above in detail.
- the container, blanks, and machine are not limited to the specific embodiments described herein, but rather, components of the blanks, containers, and/or machine may be utilized independently and separately from other components and/or steps described herein.
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Abstract
Description
- This application is a continuation-in-part of U.S. patent application Ser. No. 14/020,403, filed Sep. 6, 2013, which is hereby incorporated by reference in its entirety.
- The embodiments described herein relate generally to a machine for forming a container from sheet material, and more particularly to methods and a machine for forming a shipping and display container from a blank assembly by pre-folding the blank assembly around a pre-fold mandrel section, transporting the blank assembly to a mandrel wrap section, and forming the container at the mandrel wrap section.
- Containers fabricated from paperboard and/or corrugated paperboard material are often used to store and transport goods. These containers can include four-sided containers, six-sided containers, eight-sided containers, bulk bins and/or various size corrugated barrels. Such containers are usually formed from blanks of sheet material that are folded along a plurality of preformed fold lines to form an erected corrugated container. In some cases, these containers can be used to ship goods, and then be used to display the goods at a merchant's store or business after the goods have been shipped to the merchant.
- At least some known containers are formed using a machine. For example, a blank may be positioned near a mandrel on a machine, and the machine may be configured to wrap the blank around the mandrel to form at least a portion of the container. Because the size and/or shape of blanks and containers can vary widely across industries, it is desirable for such machines to be able to accommodate blanks and/or containers of varying shapes and/or sizes.
- At least some known container forming machines use complex devices and mechanisms for forming various sizes and/or shapes of blanks. In order to accommodate various sized and/or shaped blanks, these devices and mechanisms often require moving parts that need to move or rotate along substantially large paths of movement. These large paths of movement require the machine to be large.
- Accordingly, it is desirable to have a machine that can form containers where the paths of movement of moving parts are reduced and thus, reduce the overall footprint of the machine.
- In one aspect, a machine for forming a container from a blank assembly including a tray blank coupled to a lid blank is provided. The tray blank defines a tray portion of the container, and the lid blank defines a lid portion of the container. The machine has an upstream end at which the blank assembly is loaded and a downstream end at which the container is discharged. The machine includes a frame, a mandrel assembly mounted to the frame, a pre-folding assembly, and a glue panel presser assembly. The mandrel assembly includes a first mandrel and a second mandrel positioned downstream from the first mandrel. The first mandrel has an external shape complimentary to an internal shape of at least a first portion of the container, and the second mandrel has an external shape complimentary to an internal shape of at least a second portion of the container. The pre-folding assembly is configured to fold a first portion of the blank assembly around the first mandrel to form a partially formed container. The first portion of the blank assembly corresponds to the first portion of the container. The glue panel presser assembly includes a first presser plate configured to form a first manufacturer joint along the lid portion of the container, and a second presser plate configured to form a second manufacturer joint along the tray portion of the container.
- In another aspect, a method of forming a container from a blank assembly using a machine is provided. The blank assembly includes a tray blank coupled to a lid blank. The tray blank defines a tray portion of the container, and the lid blank defines a lid portion of the container. The machine includes a mandrel assembly having a first mandrel and a second mandrel positioned downstream from the first mandrel. The method includes positioning the blank assembly proximate to the first mandrel, folding a first portion of the blank assembly about the first mandrel to form a partially formed container, transferring the partially formed container from the first mandrel to the second mandrel, wrapping a second portion of the blank assembly about the second mandrel to form the container, and ejecting the container from the second mandrel.
- In yet another aspect, a machine for forming a container from a blank assembly including a tray blank coupled to a lid blank is provided. The tray blank defines a tray portion of the container, and the lid blank defines a lid portion of the container. The machine has an upstream end at which the blank assembly is loaded and a downstream end at which the container is discharged. The machine includes a frame, a mandrel assembly mounted to the frame, a pre-folding assembly, and a wrapping assembly. The mandrel assembly includes a first mandrel and a second mandrel positioned downstream from the first mandrel. The first mandrel has an external shape complimentary to an internal shape of at least a first portion of the container. The second mandrel has an external shape complimentary to an internal shape of at least a second portion of the container. The pre-folding assembly is configured to fold a first portion of the blank assembly around the first mandrel to form a partially formed container. The first portion of the blank assembly corresponds to the first portion of the container. The pre-folding assembly includes folding rods adapted to rotate a plurality of panels from the first portion of the blank assembly around the first mandrel, and at least one tray panel folder configured to fold a panel from the tray blank around the first mandrel. The wrapping assembly is configured to wrap a second portion of the blank assembly around the second mandrel. The second portion of the blank assembly corresponds to the second portion of the container. The wrapping assembly includes a glue panel presser assembly. The glue panel presser assembly includes a first presser plate and a second presser plate. The first presser plate is configured to form a first manufacturer joint along the lid portion of the container. The second presser plate configured to form a second manufacturer joint along the tray portion of the container.
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FIG. 1 is an interior view of an example embodiment of a blank of sheet material that may be used with the machine described herein. -
FIG. 2 is perspective view of an example embodiment of a container that may be formed from the blank shown inFIG. 1 . -
FIG. 3 is a perspective view of the container shown inFIG. 2 in a closed state. -
FIG. 4 is an overhead cross-sectional view of the container shown inFIG. 3 . -
FIG. 5 is a perspective view of an example embodiment of a machine that may be used to form a container from the blank of sheet material shown inFIG. 1 . -
FIG. 6 is another perspective view of the machine shown inFIG. 5 looking from downstream to upstream on the machine. -
FIG. 7 is a perspective view of an example control system and example protective panels which are included in the machine shown inFIGS. 5-6 . -
FIG. 8 is another perspective view of the control system and protective panels shown inFIG. 7 . -
FIG. 9 is a perspective view of a portion of an example magazine feed section included within the machine shown inFIGS. 5-6 . -
FIG. 10 is a perspective view of another portion of the magazine feed section included within the machine shown inFIGS. 5-6 . -
FIG. 11 is a perspective view of the magazine feed section shown inFIGS. 9 and 10 , an example vacuum transfer section, and a pre-fold section included in the machine shown inFIGS. 5-6 . -
FIG. 12 is a perspective: view of an example pick-and-place assembly which is included in the vacuum transfer section shown inFIG. 11 . -
FIG. 13 is perspective view of the pick-and-place assembly shown inFIG. 12 . -
FIG. 14 is another perspective view of the pick-and-place assembly shown inFIG. 13 . -
FIG. 15 is a perspective view of the machine shown inFIG. 5 illustrating various portions of an example pre-fold section included in the machine. -
FIG. 16 is a perspective view of an example mandrel assembly and an example transfer assembly that are included within the machine shown inFIGS. 5-6 . -
FIG. 17 is a cross-sectional view of a first mandrel which is part of the mandrel assembly shown inFIG. 16 with the blank shown inFIG. 1 partially wrapped around the first mandrel. -
FIG. 18 is a perspective view of an example pre-folding assembly which is part of the pre-fold section shown inFIGS. 11 and 15 . -
FIG. 19 is another perspective view of the pre-fold section shown inFIGS. 11 and 15 . -
FIG. 20 is a perspective view of a portion of the mandrel assembly and a portion of the transfer assembly shown inFIG. 16 . -
FIG. 21 is another perspective view of the portion of the mandrel assembly and the portion of the transfer assembly shown inFIG. 20 . -
FIG. 22 is a cross-sectional view of example mandrel guide rails which are part of the mandrel assembly shown inFIG. 16 with the blank shown inFIG. 1 partially wrapped around the mandrel guide rails. -
FIG. 23 is a perspective view of an example adhesive applicator assembly which is included within the machine shown inFIGS. 5-6 . -
FIG. 24 is another perspective view of the adhesive applicator assembly shown inFIG. 23 . -
FIG. 25 is a perspective view of ail example mandrel wrap section which is included within the machine shown inFIGS. 5-6 . -
FIG. 26 is another perspective view of the mandrel wrap section shown inFIG. 25 . -
FIG. 27 is a cross-sectional view of a second mandrel which is part of the mandrel assembly shown inFIG. 16 with the blank shown inFIG. 1 wrapped around the second mandrel. -
FIG. 28 is a perspective view of a mandrel retention assembly which is part of the mandrel wrap section shown inFIG. 25 . -
FIG. 29 is another perspective view of the mandrel retention assembly shown inFIG. 28 . -
FIG. 30 is a perspective view of an example fold-under assembly which is part of the mandrel wrap section shown inFIG. 25 . -
FIG. 31 is a side plan view of the fold-under assembly shown inFIG. 30 . -
FIG. 32 is another perspective view of the fold-under assembly shown inFIG. 30 illustrating an example folding arm in an up position. -
FIG. 33 is a perspective view of an example glue panel folder assembly and an example glue panel presser assembly which are part of the mandrel wrap section shown in.FIG. 25 . -
FIG. 34 is a side plan view of the glue panel folder assembly and the glue panel presser assembly shown inFIG. 33 . -
FIG. 35 is a perspective view of the glue panel folder assembly and the glue panel presser assembly shown inFIG. 33 , and an example bottom folder assembly which is part of the mandrel wrap section shown inFIG. 25 . -
FIG. 36 is another perspective view of the glue panel folder assembly, the glue panel presser assembly, and the bottom folder assembly shown inFIG. 35 . -
FIG. 37 is another perspective view of the glue panel folder assembly, the glue panel presser assembly, and the bottom folder assembly shown inFIG. 35 . -
FIG. 38 is a perspective view of the bottom folder assembly shown inFIG. 35 and an example conveyor assembly which is included within the machine shown inFIGS. 5-6 . -
FIG. 39 is a side plan view of the bottom folder assembly and the conveyor assembly shown inFIG. 38 . -
FIG. 40 is a perspective view of an example bottom presser assembly, a portion of an example ejection assembly, and a conveyor assembly which are part of the machine shown inFIGS. 5-6 . -
FIG. 41 is a perspective view of a portion of the bottom presser shown inFIG. 40 . -
FIG. 42 is a perspective view of the bottom presser assembly and the conveyor assembly shown inFIG. 40 . -
FIG. 43 is a perspective view of the ejection assembly shown inFIG. 40 illustrating an example ejection plate of the ejection assembly in an extended position. -
FIG. 44 is an interior view of a tray blank that may be used with the machine described herein. -
FIG. 45 is a perspective view of an example embodiment of a tray that may be formed from the tray blank shown inFIG. 44 . -
FIG. 46 is an interior view of a lid blank that may be used with the machine described herein. -
FIG. 47 is a perspective view of an example embodiment of a lid that may be formed from the lid blank shown inFIG. 46 . -
FIG. 48 is a perspective view of the lid shown inFIG. 47 in a closed state. -
FIG. 49 is a perspective view of an example embodiment of a container that may be formed from the blanks shown inFIGS. 44 and 45 . -
FIG. 50 is a perspective view of the container shown inFIG. 49 in a closed state. -
FIG. 51 is an overhead cross-sectional view of the container shown inFIG. 49 . -
FIG. 52 is an exterior view of a blank assembly formed from the blanks shown inFIGS. 44 and 45 ; -
FIG. 53 is a perspective view of an alternate machine that may be used to form a container from the blank assembly shown inFIG. 52 . -
FIG. 54 is another perspective view of the machine shown inFIG. 53 . -
FIG. 55 is a perspective view of an example tray glue panel presser assembly and the glue panel folder assembly and the glue panel presser assembly shown inFIG. 33 . -
FIG. 56 is a side plan view of the glue panel folder assembly, the glue panel presser assembly, and the tray glue panel presser assembly shown inFIG. 55 . -
FIG. 57 is a perspective view of the glue panel folder assembly, the glue panel presser assembly, and the tray glue panel presser assembly shown inFIG. 55 within the machine shown inFIG. 53 . -
FIG. 58 is another perspective view of the glue panel folder assembly, the glue panel presser assembly, and the tray glue panel presser assembly shown inFIG. 57 within the machine shown inFIG. 53 looking from downstream to upstream on the machine. - The following detailed description illustrates the invention by way of example and not by way of limitation. The description clearly enables one skilled in the art to make and use the invention, describes several embodiments, adaptations, variations, alternatives, and uses of the invention, including what is presently believed to be the best mode of carrying out the invention.
- The present disclosure provides a machine for forming a container from a single sheet of material. The container described herein is sometimes referred to as an eight-sided container, but any number of sides of a container could be formed including, but not limited to, a four-sided or a six-sided container. In one embodiment, the container is fabricated from a paperboard material. The container, however, may be fabricated using any suitable material, and therefore is not limited to a specific type of material. In alternative embodiments, the container is fabricated using cardboard, fiberboard, paperboard, foamboard, corrugated paper, and/or any suitable material known to those skilled in the art and guided by the teachings herein provided. The container may have any suitable size, shape, and/or configuration, whether such sizes, shapes, and/or configurations are described and/or illustrated herein. Further, different embodiments described here can vary in size and/or dimensions. The container may also include lines of perforation for removal of a portion of the container for displaying articles for sale.
- The present disclosure also provides an alternative embodiment of the machine for forming a container from a blank assembly of sheet material. The blank assembly includes a tray blank and a lid blank that are coupled together to form a container, sometimes referred to as a Retail Ready Package (RRP), that includes a tray portion and a lid portion. The container described herein is sometimes referred to as an eight-sided RRP container, but any number of sides of a container could be formed including, but not limited to, a four-sided or a six-sided container. In one embodiment, the container is fabricated from paperboard material. The container, however, may be fabricated using any suitable material, and therefore is not limited to a specific type of material. In alternative embodiments, the container is fabricated using cardboard, fiberboard, paperboard, foamboard, corrugated paper, and/or any suitable material known to those skilled in the art and guided by the teachings herein provided. The container may have any suitable size, shape, and/or configuration, whether such sizes, shapes, and/or configurations are described and/or illustrated herein. Further, different embodiments described here can vary in size and/or dimensions. The container may also include lines of perforation for removal of a portion of the container for displaying articles for sale.
- In an example embodiment, the container includes at least one marking thereon including, without limitation, indicia that communicates the product, a manufacturer of the product and/or a seller of the product. For example, the marking may include printed text that indicates a product's name and briefly describes the product, logos and/or trademarks that indicate a manufacturer and/or seller of the product, and/or designs and/or ornamentation that attract attention. “Printing,” “printed,” and/or any other form of “print” as used herein may include, but is not limited to including, ink jet printing, laser printing, screen printing, giclée, pen and ink, painting, offset lithography, flexography, relief print, rotogravure, dye transfer, and/or any suitable printing technique known to those skilled in the art and guided by the teachings herein provided. In another embodiment, the container is void of markings, such as, without limitation, indicia that communicates the product, a manufacturer of the product and/or a seller of the product.
- Referring now to the drawings,
FIG. 1 is an interior view of an example embodiment of a substantially flat blank 20 of sheet material. As shown inFIG. 1 , blank 20 includes a series of aligned wall panels and end panels connected together by a plurality of preformed, generally parallel, fold lines. Specifically, the wall panels include afirst corner panel 22, afirst side panel 24, asecond corner panel 26, afirst end panel 28, athird corner panel 30, asecond side panel 32, afourth corner panel 34, asecond end panel 36, and aglue panel 38 connected in series along a plurality offold lines First corner panel 22 extends from a firstfree edge 56 to foldline 40,first side panel 24 extends fromfirst corner panel 22 alongfold line 40,second corner panel 26 extends fromfirst side panel 24 alongfold line 42,first end panel 28 extends fromsecond corner panel 26 along fold line 44,third corner panel 30 extends fromfirst end panel 28 alongfold line 46,second side panel 32 extends fromthird corner panel 30 alongfold line 48,fourth corner panel 34 extends fromsecond side panel 32 alongfold line 50,second end panel 36 extends fromfourth corner panel 34 alongfold line 52, andglue panel 38 extends fromsecond end panel 36 alongfold line 54 to a secondfree edge 58. - A first
top side panel 60 and a firstbottom side panel 62 extend from opposing edges offirst side panel 24. More specifically, firsttop side panel 60 and firstbottom side panel 62 extend fromfirst side panel 24 along a pair of opposing preformed, generally parallel,fold lines bottom side panel 68 and a secondtop side panel 70 extend from opposing edges ofsecond side panel 32. More specifically, secondbottom side panel 68 and secondtop side panel 70 extend fromsecond side panel 32 along a pair of opposing preformed, generally parallel,fold lines lines lines bottom side panel 62 and firsttop side panel 60 each have awidth 76 taken along a centralhorizontal axis 78 of blank 20 that is greater than awidth 80 offirst side panel 24, also taken along centralhorizontal axis 78. Similarly, secondbottom side panel 68 and secondtop side panel 70 each have awidth 76 that is greater thanwidth 80 ofsecond side panel 32, taken along centralhorizontal axis 78. - First
bottom side panel 62 and firsttop side panel 60 each include afree edge bottom side panel 68 and secondtop side panel 70 each include afree edge Bottom side panels top side panels angled edge portions respective fold lines edge portions respective fold lines - The shape, size, and arrangement of
bottom side panels top side panels FIG. 1 and described above facilitates forming anoctagonal container 200 having angled corners, an example of which is shown inFIGS. 2-4 . More specifically, the shape, size, and arrangement ofbottom side panels top side panels container 200 having corner walls that are obliquely angled with respect to, and interconnect side walls and end walls of formedcontainer 200. - As shown in
FIG. 1 , a firsttop end panel 94 and a firstbottom end panel 96 extend from opposing edges offirst end panel 28. More specifically, firsttop end panel 94 and firstbottom end panel 96 extend fromfirst end panel 28 along a pair of opposing preformed, generally parallel,fold lines top end panel 104 extend from opposing edges ofsecond end panel 36. More specifically, second bottom end panel 102 and secondtop end panel 104 extend fromsecond end panel 36 along a pair of opposing preformed, generally parallel,fold lines lines lines bottom end panel 96 and firsttop end panel 94 each have awidth 110 taken along centralhorizontal axis 78 of blank 20 that is substantially equal to awidth 112 offirst end panel 28, also taken along centralhorizontal axis 78. Similarly, second bottom end panel 102 and secondtop end panel 104 each havewidth 110 that is greater thanwidth 112 ofsecond end panel 36, taken along centralhorizontal axis 78. - First
bottom end panel 96 and firsttop end panel 94 each include afree edge top end panel 104 each include afree edge Bottom end panels 96 and 102 andtop end panels side edge portions respective fold lines side edge portions respective fold lines - As a result of the above example embodiment of blank 20, a manufacturer joint, a container bottom wall, and a container top wall formed therefrom may be securely closed so that various products may be securely contained within a formed container. Therefore, less material may be used to fabricate blank 20 having suitable strength for construction of a container that can contain various loads.
- As will be described below in more detail with reference to
FIGS. 5-43 , blank 20 is intended to form acontainer 200 as shown inFIGS. 2-4 by folding and/or securingpanels FIG. 1 ) andbottom panels FIG. 1 ). Of course, blanks having shapes, sizes, and configurations different than blank 20 described and illustrated herein may be used to formcontainer 200 shown inFIGS. 2-4 without departing from the scope of the present disclosure. In other words, the machine and processes described herein can be used to form a variety of different shaped and sized containers, and is not limited to blank 20 shown inFIG. 1 and/orcontainer 200 shown inFIGS. 2-4 . -
FIG. 2 illustrates a perspective view of anexample container 200, which is erected and in an open configuration, that may be formed from blank 20 (shown inFIG. 1 ).FIG. 3 illustrates a perspective view ofcontainer 200 in a closed configuration.FIG. 4 illustrates an overhead cross-sectional view ofcontainer 200. Referring toFIGS. 1-4 , in the example embodiment,container 200 includes a plurality of walls defining acavity 202. More specifically,container 200 includes afirst corner wall 204, afirst side wall 206, asecond corner wall 208, afirst end wall 210, athird corner wall 212, asecond side wall 214, afourth corner wall 216, and asecond end wall 218.First corner wall 204 includesfirst corner panel 22 andglue panel 38,first side wall 206 includesfirst side panel 24,second corner wall 208 includessecond corner panel 26,first end wall 210 includesfirst end panel 28,third corner wall 212 includesthird corner panel 30,second side wall 214 includessecond side panel 32,fourth corner wall 216 includesfourth corner panel 34, andsecond end wall 218 includessecond end panel 36, as described in more detail below. Eachwall height 220. Although each wall may have a different height without departing from the scope of the present disclosure, in the embodiment shownFIGS. 1-4 , eachwall same height 220. - In the example embodiment,
first corner wall 204 connectsfirst side wall 206 tosecond end wall 218,second corner wall 208 connectsfirst side wall 206 tofirst end wall 210,third corner wall 212 connectsfirst end wall 210 tosecond side wall 214, andfourth corner wall 216 connectssecond side wall 214 tosecond end wall 218. Further,bottom panels bottom wall 222 ofcontainer 200, andtop panels top wall 224 ofcontainer 200. Althoughcontainer 200 may have other orientations without departing from the scope of the present disclosure, in the embodiments shown inFIGS. 2-4 , endwalls side walls first corner wall 204 andthird corner wall 212 are substantially parallel to each other, andsecond corner wall 208 andfourth corner wall 216 are substantially parallel to each other.Corner walls walls container 200. -
Bottom panels walls bottom wall 222. More specifically,bottom end panels 96 and 102 are folded beneath/inside ofbottom side panels FIG. 3 ),top panels walls top wall 224. Althoughcontainer 200 may be secured together using any suitable fastener at any suitable location oncontainer 200 without departing from the scope of the present disclosure, in one embodiment, adhesive (not shown) is applied to an inner surface and/or an outer surface offirst corner panel 22 and/orglue panel 38 to formfirst corner wall 204. In one embodiment, adhesive may also be applied to exterior surfaces ofbottom end panels 96 and/or 102 and/or interior surfaces ofbottom side panels 62 and/or 68 to securebottom side panels 62 and/or 68 tobottom end panels 96 and/or 102. As a result of the above example embodiment ofcontainer 200, the manufacturer joint,bottom wall 222, and/ortop wall 224 may be securely closed so that various products may be securely contained withincontainer 200. Therefore, less material may be used to fabricate astronger container 200. -
FIG. 5 illustrates a perspective view of anexample machine 1000 for forming a container, such as container 200 (shown inFIGS. 2-4 ) from a blank of sheet material, such as blank 20 (shown inFIG. 1 ).FIG. 6 illustrates an additional perspective view ofmachine 1000.Machine 1000 will be discussed hereafter with reference to formingcorrugated container 200 from blank 20; however,machine 1000 may be used to form a box or any other container having any size, shape, and/or configuration from a blank having any size, shape, and/or configuration without departing from the scope of the present disclosure. - As shown in
FIGS. 5-6 ,machine 1000 includes amagazine feed section 1100, avacuum transfer section 1200, amandrel pre-fold section 1300, amandrel wrap section 1400, and anoutfeed section 1500, each positioned with respect to and/or coupled to aframe 1002. As shown inFIGS. 7-8 , acontrol system 1004 is coupled in operative control communication with one or more components ofmachine 1000.Magazine feed section 1100 is positioned at anupstream end 1006 ofmachine 1000 with respect to a blank forming path direction indicated by an arrow X.Vacuum transfer section 1200 is positioned downstream frommagazine feed section 1100 in blank forming path direction X. Moreover,mandrel pre-fold section 1300 is positioned downstream fromvacuum transfer section 1200 in blank forming path direction X,mandrel wrap section 1400 is positioned downstream frommandrel pre-fold section 1300 in blank forming path direction X, andoutfeed section 1500 is positioned at adownstream end 1008 ofmachine 1000 and downstream frommandrel wrap section 1400 in blank forming path direction X. In some embodiments,machine 1000 may also include a product load section (not shown) positioned downstream fromoutfeed section 1500 with respect to a container discharge direction. Product load section is where a product is loaded into formedcontainer 200, andcontainer 200 is closed and sealed for shipping and/or storing the product. In the example embodiment, the container discharge direction is in substantially the same direction as blank forming path direction X. -
Machine 1000 also includes a mandrel assembly, indicated generally at 1600, mounted to frame 1002.Mandrel assembly 1600 extends from themandrel pre-fold section 1300 to themandrel wrap section 1400, and includes a first orpre-fold mandrel 1602 and asecond mandrel 1604 positioned downstream from thefirst mandrel 1602. - As shown in
FIGS. 7 and 8 ,machine 1000 also includes a plurality ofprotective panels 1010 coupled toframe 1002.Protective panels 1010 are omitted fromFIGS. 5 and 6 for illustration. Also, certain elements ofmachine 1000 are omitted fromFIGS. 7 and 8 for illustration.Protective panels 1010 prevent external objects from interfering with operation ofmachine 1000.Protective panels 1010 may be made of plastic, glass, and/or any suitable material that facilitates protecting components ofmachine 1000. In the example embodiment,protective panels 1010 are substantially transparent, enabling an operator to visually monitor operation ofmachine 1000. -
FIGS. 9-22 illustrate various portions and perspectives ofmagazine feed section 1100, as well asvacuum transfer section 1200,mandrel pre-fold section 1300, andmandrel assembly 1600. - Referring to
FIGS. 9-11 , in the example embodiment,magazine feed section 1100 includes a plurality of independently powered magazine drives 1102 and 1104 for receiving a plurality ofblanks 20. Magazine drives 1102 and 1104 are adjustably mounted torail system 1106 such that a distance between magazine drives 1102 and 1104 can be adjusted to accommodate blanks having different sizes and/or shapes. - Each
magazine drive blank alignment device 1108 configured to alignblanks 20 at adownstream end 1110 ofmagazine feed section 1100. More specifically,blank alignment devices 1108 are configured to independently drive magazine drives 1102 and 1104 until a blank 20 is aligned atdownstream end 1110 ofmagazine feed section 1100. In the example embodiment, eachblank alignment device 1108 includes alinear actuator 1112 pivotably coupled to a crankwheel 1114 configured to drive a correspondingmagazine drive linear actuator 1112.Linear actuator 1112 is operatively coupled to ablank detection device 1116 which controls operation oflinear actuator 1112 depending upon whether one or more panels of a blank 20 are positioned and/or aligned atdownstream end 1110 ofmagazine feed section 1100. More specifically,blank detection device 1116 is configured to intermittently or continuously actuatelinear actuator 1112, and thereby drivemagazine drive blank detection device 1116 atdownstream end 1110 ofmagazine feed section 1100. - In the example embodiment,
blank detection device 1116 includes aswitch 1118 and a switch engaging device 1120 configured to turn switch on and off.Switch 1118 is operatively coupled tolinear actuator 1112 such that whenswitch 1118 is in an off position,linear actuator 1112 does not actuate, and whenswitch 1118 is in an on position,linear actuator 1112 intermittently or continuously actuates untilswitch 1118 is turned off. Switch engaging device 1120 includes an arm 1122 rotatably coupled to amagazine drive fingers 1126 extending from pin 1124 at an oblique angle with respect to arm 1122. Arm 1122 is configured to engage and disengageswitch 1118, and thereby turnswitch 1118 on and off.Fingers 1126 are positioned on opposite sides ofmagazine drive tips 1128 configured to engage one or more panels of blank 20 when blank is atdownstream end 1110 ofmagazine feed section 1100. When one ormore tips 1128 of a switch engaging device 1120 are not engaged by a panel of blank 20, switch engaging device 1120 is in a first, down position (not shown) in which arm 1122 engagesswitch 1118, and maintainsswitch 1118 in an on position.Linear actuator 1112 intermittently or continuously actuates, thereby intermittently or continuously driving acorresponding magazine drive switch 1118 is turned off. When alltips 1128 of a switch engaging device 1120 are engaged by one or more panels of blank 20, switch engaging device 1120 is rotated upwards to a second, up position (shown inFIG. 9 ) in which arm 1122 is disengaged fromswitch 1118.Switch 1118 is thereby turned off, and actuation oflinear actuator 1112 ceases. -
Blanks 20 are loaded and/or orientated inmagazine feed section 1100 in any manner that enables operation ofmachine 1000 as described herein. In the example embodiment,blanks 20 are loaded substantially vertically intomagazine feed section 1100. Afterblanks 20 are loaded onto magazine drives 1102 and 1104, a bundle ofblanks 20 is conveyed in the manner described above, in blank forming path direction X, frommagazine feed section 1100 tovacuum transfer section 1200. - In the example embodiment,
magazine feed section 1100 also includes amagazine alignment panel 1130 and ablank guide 1132, also configured to maintain alignment ofblanks 20 withinmagazine feed section 1100, and a plurality of rollers 1134 (shown inFIG. 11 ) positioned at a downstream end ofmagazine feed section 1100.Rollers 1134 are configured to align and/or guide panels of blank 20 as blank 20 is transferred frommagazine feed section 1100 to mandrelpre-fold section 1300.Rollers 1134 are aligned with one or more panels of a blank 20, and are configured to rotate as a blank 20 is pulled byvacuum transfer section 1200 frommagazine feed section 1100. - As shown in
FIGS. 11-15 ,vacuum transfer section 1200 includes a pick-and-place assembly 1202 (generally, a transfer assembly) configured to lay a blank 20 flat on top offirst mandrel 1602. More specifically, pick-and-place assembly 1202 includeslinear actuators 1204 operatively coupled toarms 1206 that are, in turn, pivotally coupled to a pick-upbar 1208. A plurality of pick-uparms 1210 are mounted to pick-upbar 1208, and avacuum suction cup 1212 is fixedly coupled to each pick-uparm 1210.Suction cups 1212 are configured to retrieve a single blank 20 from the plurality ofblanks 20 positioned withinmagazine feed section 1100.Suction cups 1212 include independent vacuum generators (not shown) for providing suction to attachsuction cups 1212 toindividual blanks 20. In an alternative embodiment,suction cups 1212 are attached to a centralized vacuum generator, which provides the vacuum forsuction cups 1212 to attach to a blank 20. In the example embodiment,linear actuators 1204 are actuating cylinders that pneumatically transition between a first, extended position (shown inFIG. 11 ) and a second, retracted position (shown inFIG. 15 ). - An
angle guide bar 1214 is fixedly coupled to pick-upbar 1208 at afirst end 1216 ofangle guide bar 1214, and is slidably and rotatably coupled to apivot guide assembly 1218 at asecond end 1220 ofangle guide bar 1214.Angle guide bar 1214 and pivotguide assembly 1218 are operatively coupled to one another such that actuation oflinear actuators 1204 causes pick-upbar 1208 to pivot and/or rotate a desired amount such that a blank 20 coupled tovacuum transfer section 1200 is aligned in a horizontal, generally flat position (shown inFIG. 15 ) onfirst mandrel 1602.Pivot guide assembly 1218 includes apivot guide mount 1222 fixedly coupled toframe 1002, and one or more pivot guides 1224 configured to slidably and/or rotatably engageangle guide bar 1214. In the example embodiment,angle guide bar 1214 is an L-bracket, and pivot guides 1224 are rollers positioned on opposite sides of a leg of the L-bracket. - In operation,
linear actuators 1204 are operated and/or controlled to positionsuction cups 1212 to facilitate picking up a blank 20 frommagazine feed section 1100 and transferring blank 20 throughvacuum transfer section 1200 to mandrelpre-fold section 1300.Linear actuators 1204 are actuated into the first position (shown inFIG. 11 ), causingsuction cups 1212 to sealingly couple a blank 20 withinmagazine feed section 1100.Linear actuators 1204 are then actuated into the second position (shown inFIG. 15 ), causingarms 1206 to rotate in a first direction (generally, a downward or counter-clockwise direction) indicated byarrow 1226, which in turn causeangle guide bar 1214 to slidably and rotatably engagepivot guide assembly 1218, which in turn causes pick-upbar 1208 and pick-uparms 1210 to rotate in a second direction (generally an upward or clockwise direction) indicated byarrow 1228, generally opposite to the first direction. The general motion of pick-upbar 1208 and pick-uparms 1210 is movement along an arc in a first, generallycounter-clockwise direction 1226 while rotating in a second, generallyclockwise direction 1228 opposite thefirst direction 1226.Suction cups 1212 follow the general motion of pick-uparms 1210, and release blank 20 ontomandrel pre-fold section 1300. Once blank 20 is released, the direction oflinear actuators 1204 is reversed to movesuction cups 1212 to their original position to pick up the next blank 20. Pick-and-place assembly 1202 may include any suitable structure and/or means that may be used to attach to blank 20 and transfer blank 20 frommagazine feed section 1100 to mandrelpre-fold section 1300 without departing from the scope of the present disclosure. - Referring now to
FIGS. 11 and 15-22 ,blanks 20 are received inmandrel pre-fold section 1300 fromvacuum transfer section 1200.Mandrel pre-fold section 1300 includesfirst mandrel 1602, apre-folding assembly 1302, and atransfer assembly 1304.Mandrel pre-fold section 1300 is configured to partially formcontainer 200 by folding a first portion of blank 20 aroundfirst mandrel 1602. - As shown in
FIGS. 16-17 ,first mandrel 1602 has an external shape that is complementary to an internal shape of a first portion ofcontainer 200 that is formed atmandrel pre-fold section 1300. More specifically,first mandrel 1602 includesadjustable plates miter plates faces - In the example embodiment,
miter plates Angled faces third corner panel 30 andfourth corner panel 34, respectively, and side faces 1618 and 1620 substantially correspond to first andsecond end panels miter plate upper face angled faces Blank 20 is placed uponupper faces magazine feed section 1100 to mandrelpre-fold section 1300. Accordingly, it is understood that the widths ofupper faces upper faces FIG. 17 .Miter plates adjustable plates miter plates first mandrel 1602 may be configured to accommodate blanks of varying sizes and/or shapes (e.g., a blank for forming a four-sided container). For example, in embodiments wheremachine 1000 is used to form a four-sided container, angled faces 1614 and 1616 ofmiter plates miter plates upper faces Miter plates blanks 20 fromfirst mandrel 1602 tosecond mandrel 1604. It is understood, however, thatmiter plates machine 1000 to function as described herein. - In the example embodiment,
adjustable plates adjustable plates second end panels adjustable plates -
Adjustable plates FIG. 21 ) configured to adjust a distance betweenadjustable plates FIG. 21 ).Adjustable plates Adjustable plates rail system 1632 extending in the transverse direction, to facilitate adjustment ofadjustable plates adjustment device 1630 is a crank configured to adjustplates adjustable plates 1606 and/or 1608. Also in the example embodiment,adjustable plate 1608 is fixed and onlyadjustable plate 1606 is moveable in the transverse direction usingadjustment device 1630. - Although
faces first mandrel 1602 are described with reference toplates -
FIGS. 11, 15, and 18-19 illustrate various portions and perspectives ofpre-folding assembly 1302.Pre-folding assembly 1302 is configured to fold a first portion of blank 20 down and aroundfirst mandrel 1602 while blank 20 is positioned withinpre-fold section 1300 and/or adjacentfirst mandrel 1602. In the example embodiment,pre-folding assembly 1302 is also configured to at least partially detachvacuum suction cups 1212 from blank 20 after blank 20 is placed onmandrel pre-fold section 1300. -
Pre-folding assembly 1302 includesfolding fingers 1306 and 1308 (generally, rods) adjustably coupled to anarm 1310, which is in turn, rotatably mounted to frame 1002.Arm 1310 is operatively coupled to alinear actuator 1312 which, when actuated, causesarm 1310 to rotate, which in turn causesfolding fingers first mandrel 1602. - In operation,
folding fingers FIGS. 15 and 18 ). After a blank 20 is placed onfirst mandrel 1602 byvacuum transfer section 1200,linear actuator 1312 is actuated to rotatearm 1310 andfolding fingers FIG. 19 ). Asfolding fingers folding fingers miter plate adjustable plate first mandrel 1602. In the example embodiment,pre-folding assembly 1302 andfolding fingers mandrel pre-fold section 1300 to mandrel wrap section 1400 (described in more detail below) to maintain alignment of blank 20 as blank 20 is transferred frommandrel pre-fold section 1300 tomandrel wrap section 1400. A sufficient amount of lateral spacing is maintained betweenfolding fingers 1306, blank 20, and faces 1618, 1620, 1626, and 1628 ofmiter plates adjustable plates Pre-folding assembly 1302 is therefore also configured to guide a blank 20 as it is transferred frommandrel pre-fold section 1300 tomandrel wrap section 1400.Linear actuator 1312 then reverses direction and rotatespre-folding assembly 1302 andfolding fingers vacuum transfer section 1200 transfers another blank 20 tomandrel pre-fold section 1300 afterpre-folding assembly 1302 is in the first position. In alternative embodiments,vacuum transfer section 1200 may begin transferring a blank 20 tomandrel pre-fold section 1300 whilepre-folding assembly 1302 is being rotated from the second position to the first position. - Folding
fingers arm 1310 such that eachfolding finger folding fingers width 76 ofside panels end panels fingers end panels first mandrel 1602 aboutfold lines 46 and/or 48, and 50 and/or 52, respectively. In the example embodiment,folding fingers corner panels first mandrel 1602 aboutfold lines first mandrel 1602 includesfirst end panel 28,third corner panel 30,second side panel 32,fourth corner panel 34, andsecond end panel 36. - Pre-folding mechanism also includes retention plows 1314 and 1316 adjustably coupled to
arm 1310. Retention plows 1314 and 1316 are configured to prevent blank 20 from bowing or lifting off ofmandrel assembly 1600 when foldingfingers FIG. 15 ) to a second, lowered position (shown inFIG. 19 ) proximate to one or more panels of blank 20. Retention plows 1314 and 1316 thereby prevent blank 20 from bowing or lifting off ofmandrel assembly 1600 when foldingfingers first mandrel 1602. - Referring to
FIGS. 16 and 20-21 ,transfer assembly 1304 is configured to transfer a pre-folded blank 20 from themandrel pre-fold section 1300 to themandrel wrap section 1400. More specifically,transfer assembly 1304 is configured to transfer a pre-folded blank (wherein the pre-folded blank is a partially formed container) fromfirst mandrel 1602 tosecond mandrel 1604.Transfer assembly 1304 includes apusher bar 1318 operatively coupled to alinear actuator 1320, and one ormore pusher feet 1322 coupled to thepusher bar 1318.Pusher feet 1322 are slidably mounted to aguide rail 1324 extending in the X direction to facilitate linear motion ofpusher feet 1322.Pusher feet 1322 are detachably coupled topusher bar 1318 andguide rail 1324 such thatpusher feet 1322 may be interchanged with pusher feet having different shapes and/or sizes to accommodate blanks having different sizes and/or shapes. In the example embodiment,transfer assembly 1304 is positioned withinmandrel assembly 1600, and, more particularly, withinfirst mandrel 1602 to decrease the necessary size ofmachine 1000, and thereby reduce the overall footprint ofmachine 1000. -
Transfer assembly 1304 operates to moveblanks 20 frommandrel pre-fold section 1300 tomandrel wrap section 1400. More specifically,linear actuator 1320 drivespusher bar 1318 in a direction parallel to direction X, and causespusher feet 1322 to contact a trailing edge 126 (shown inFIG. 1 ) of a blank 20 and push and/or slide blank 20 alongmandrel guide rails mandrel wrap section 1400.Linear actuator 1320 then reverses direction and movespusher bar 1318 in a direction opposite to direction X to transfer the next blank 20 frommandrel pre-fold section 1300. In the example embodiment,transfer assembly 1304 includes onepusher foot 1322 configured to engage a trailingedge 126 oftop side panel 70. Alternative embodiments may include any suitable number ofpusher feet 1322 configured to engage a trailingedge 126 of one or more oftop panels - Referring to
FIGS. 16 and 22 ,mandrel assembly 1600 includesmandrel guide rails blanks 20 frommandrel pre-fold section 1300 tomandrel wrap section 1400. More specifically,mandrel guide rails transfer assembly 1304 transfers blank 20 frommandrel pre-fold section 1300 tomandrel wrap section 1400. -
Mandrel guide rails first mandrel 1602 and asecond mandrel 1604 along the X direction.Mandrel guide rails mandrel pre-fold section 1300 andmandrel wrap section 1400. More specifically,mandrel guide rails adjustable plates miter plates faces - In the example embodiment,
mandrel guide rails mandrel guide rails mandrel guide rails mandrel guide rails mandrel guide rails second side panel 32, and side faces 1646 and 1648 configured to engage interior surfaces offirst end panel 28 and/orthird corner panel 30, andsecond side panel 32 and/orfourth corner panel 34, respectively. Top faces 1642 and 1644 are substantially coplanar withupper faces first mandrel 1602 such that a blank 20 may be slid fromfirst mandrel 1602 tosecond mandrel 1604 alongmandrel guide rails first mandrel 1602. Lowermandrel guide rail 1638 is also an L-shaped rail having aside face 1650 configured to engage an interior surface offirst end panel 28 and/orsecond corner panel 26, and abottom face 1652 configured to engage an interior surface offirst side panel 24. Lowermandrel guide rail 1640 is a beveled L-shaped rail having abottom face 1654 configured to engage an interior surface offirst side panel 24, anangled face 1656 configured to engage an interior surface offirst corner panel 22 and/orglue panel 38, and aside face 1658 configured to engage an interior surface ofsecond end panel 36 and/orglue panel 38. - One or
more faces mandrel guide rails more faces second mandrel 1604, described in more detail below. In the example embodiment,mandrel guide rails second mandrel extension 1604. Thus, faces 1644, 1642, 1646, 1650, 1652, 1654, 1656, 1658, and 1648 ofmandrel guide rails faces second mandrel 1604, respectively. - Referring to
FIGS. 23 and 24 , in the example embodiment, anadhesive applicator assembly 1326 is positioned betweenfirst mandrel 1602 andsecond mandrel 1604, such as adjacentmandrel guide rails first mandrel 1602 tosecond mandrel 1604.Adhesive applicator assembly 1326 includes a plurality ofadhesive applicators 1328, shown as nozzles in the example embodiment, configured to dispense and/or apply adhesive (not shown) to predetermined panels of blank 20 while blank 20 is transferred fromfirst mandrel 1602 tosecond mandrel 1604. In the example embodiment,adhesive applicator assembly 1326 includes threeadhesive applicators 1328, two of which are configured to apply adhesive to an exterior surface ofbottom end panels 96 and 102, and one of which is configured to apply adhesive to an exterior surface ofglue panel 38. -
Adhesive applicators 1328 are coupled in communication with an adhesive supply (not shown), which may be controlled by control system 1004 (shown inFIG. 7 ) to control a starting time, a pattern, an ending time, a length of adhesive bead, and/or any other suitable operations ofadhesive applicators 1328. -
Adhesive applicator assembly 1326 is positioned downstream frommandrel pre-fold section 1300. As such,adhesive applicators 1328 may apply adhesive to one or more panels of blank 20 while the panels are in a substantially vertical orientation (shown inFIG. 19 ). As a result,adhesive applicators 1328 may be configured to apply adhesive to one or more panels of blank 20 whileadhesive applicators 1328 are arranged in a substantially horizontal orientation (shown inFIGS. 23 and 24 ), thereby reducing the likelihood of adhesive seeping or leaking back into and cloggingadhesive applicators 1328. - As shown in
FIG. 24 ,adhesive applicator assembly 1326 also includes adhesiveapplicator guide rails 1330 configured to maintain alignment of a blank 20 during the adhesive application process and/or as the blank is transferred from themandrel pre-fold section 1300 to themandrel wrap section 1400. Adhesiveapplicator guide rails 1330 are positioned adjacentmandrel guide rails adjustable plates miter plates applicator guide rails 1330 engage an exterior surface of one or more panels of blank 20, thereby maintaining alignment of blank 20 against one or more ofmandrel guide rails adjustable plates 1606 and/or 1608, and/ormiter plates 1610 and/or 1612. In the example embodiment, adhesiveapplicator guide rails 1330 are configured to engage an exterior surface ofbottom end panels 96 and 102,end panels top end panels mandrel pre-fold section 1300 tomandrel wrap section 1400. In additional and/or alternative embodiments,machine 1000 may include guide rails substantially identical to guiderails 1330 positioned alongmandrel assembly 1600 at any desired location. For example, in one alternative embodiment,machine 1000 may include guide rails substantially identical to guiderails 1330 positioned above mandrel guide rails and configured to engage an exterior surfacesecond side panel 32. -
FIGS. 25-43 illustrate various portions and perspectives ofmandrel wrap section 1400, as well asoutfeed section 1500 andmandrel assembly 1600. As discussed above,blanks 20 are received inmandrel wrap section 1400 frommandrel pre-fold section 1300 bytransfer assembly 1304.Mandrel wrap section 1400 is configured to wrap one or more unfolded portions of blank 20 (generally referred to as a second portion of blank 20) aroundsecond mandrel 1604, and to form acontainer 200 by securing one or more panels of blank 20 together. -
Mandrel wrap section 1400 includessecond mandrel 1604, amandrel retention assembly 1402, awrapping assembly 1404, abottom folder assembly 1406, abottom presser assembly 1408, and anejection assembly 1410. - Referring to
FIGS. 16 and 25-27 ,second mandrel 1604 has an external shape complementary to an internal shape of a second portion ofcontainer 200 that is formed atmandrel wrap section 1400. More specifically, referring toFIG. 27 ,second mandrel 1604 includes a plurality offaces second mandrel 1604 includestop faces second side panel 32, side faces 1664 and 1666 that substantially correspond tofirst end panel 28, bottom faces 1668 and 1670 that substantially corresponds tofirst side panel 24, acorner face 1672 that substantially corresponds tofirst corner panel 22 and/orglue panel 38, and side faces 1674 and 1676 that substantially correspond tosecond end panel 36. Corner face 1672 (interchangeably referred to as miter face) extends frombottom face 1670 at an oblique angle. Any of the mandrel faces can be solid plates, frames, plates including openings defined therein, and/or any other suitable component that provides a face and/or surface configured to enable a container to be formed from a blank as described herein. - In the example embodiment,
second mandrel 1604 is a two-piece mandrel. More specifically,second mandrel 1604 includes twointerchangeable mandrel plates Mandrel plates second mandrel 1604. Specifically, faces 1662, 1664, 1666, 1668 are defined bymandrel plate 1678, and faces 1660, 1670, 1672, 1674, and 1676 are defined bymandrel plate 1680. The two-piece construction ofsecond mandrel 1604 facilitates selectively adjusting the size and/or shape ofsecond mandrel 1604 to accommodate blanks and containers of varying sizes and/or shapes (e.g., four- or six-sided containers). - As shown in
FIG. 16 ,mandrel guide rails mandrel plates second mandrel 1604 at least partially define faces 1644, 1642, 1646, 1650, 1652, 1654, 1656, 1658, and 1648 ofmandrel guide rails - In the example embodiment,
mandrel plates plates blanks 20 fromfirst mandrel 1602 tosecond mandrel 1604. It is understood, however, thatmandrel plates machine 1000 to function as described herein. - Referring to
FIGS. 25 and 28-29 ,mandrel retention assembly 1402 is configured to secure a blank 20 betweensecond mandrel 1604 andmandrel retention assembly 1402 while one or more unfolded portions of blank 20 are wrapped aroundsecond mandrel 1604. More specifically,mandrel retention assembly 1402 includes a plate-over tool 1412 having an interior surface shaped complementary to one ormore faces second mandrel 1604. Plate-overtool 1412 is operatively coupled to alinear actuator 1414 configured to move plate-overtool 1412 from a first, generally raised position (shown inFIG. 28 ) vertically downward to a second, generally lowered position (shown inFIG. 29 ). As shown inFIG. 29 , when plate-overtool 1412 is in the second position, the interior surface of plate-over tool 1412 engages one or more panels of blank 20, and thereby secures blank 20 betweensecond mandrel 1604 and plate-overtool 1412. In the example embodiment, plate-over tool 1412 includesside locking panels miter bars 1494 and 1496 (also seen inFIG. 42 ) configured to engagefirst end panel 28 andsecond end panel 36, andthird corner panel 30 andfourth corner panel 34, respectively.Side locking panels tool 1412 is moved to the second position,side locking panels first end panel 28 andsecond end panel 36 againstsecond mandrel 1604, and causethird corner panel 30 andfourth corner panel 34 to become aligned withmiter bars third corner panel 30 andfourth corner panel 34. Plate-overtool 1412 is removably coupled withinmandrel retention assembly 1402 such that plate-over tool 1412 may be interchanged with plate-over tools having interior surfaces of different sizes and/or shapes to accommodate blanks of varying sizes and/or shapes. Further,miter bars tool 1412 such that miter bars 1494 and 1496 may be selectively removed (e.g., when forming a container without corner or miter panels). - In operation, plate-
over tool 1412 is initially positioned in the first, raised position as a blank 20 is transferred frommandrel pre-fold section 1300 tomandrel wrap section 1400. After blank is stopped withinmandrel wrap section 1400,linear actuator 1414 actuates, thereby moving plate-over tool 1412 vertically downward from the first position to the second position. Plate-overtool 1412 is held in the second position while a second portion of blank 20 is wrapped aroundsecond mandrel 1604 and/or whilecontainer 200 is formed. After the second portion of blank 20 is wrapped aroundsecond mandrel 1604 and beforeejector assembly 1410 ejects formedcontainer 200 from mandrel wrap section 1400 (described below),linear actuator 1414 reverses direction and raises plate-over tool 1412 from the second position to the first position. In the example embodiment, plate-over tool 1412 is raised after a manufacturing joint is formed and before thebottom wall 222 ofcontainer 200 is formed. - Referring to
FIGS. 25-26 and 30-37 , wrappingassembly 1404 is positioned adjacentsecond mandrel 1604, and is configured to wrap one or more unfolded portions of blank 20 under and/or aroundsecond mandrel 1604.Wrapping assembly 1404 includes a fold-underassembly 1416, a gluepanel folder assembly 1418, and a gluepanel presser assembly 1420. - As shown in
FIGS. 30-31 , fold-underassembly 1416 includes arotary drive mechanism 1422 and afolding arm 1424 having opposing first andsecond ends bar 1430 disposed atfirst end 1426, squaringbars 1432 disposed between first andsecond ends miter bars 1434 disposed between first andsecond ends Folding arm 1424 androtary drive mechanism 1422 are configured to wrap a second portion of blank 20 aroundsecond mandrel 1604. More specifically, engagingbar 1430 is configured to contact a second portion of a partially folded blank 20 to wrap blank 20 aboutsecond mandrel 1604 as foldingarm 1424 is rotated byrotary drive mechanism 1422. In the example embodiment, engagingbar 1430 is configured to contact one or more offirst side panel 24 and/orfirst corner panel 22. Miter bars 1434 are configured to contactsecond corner panel 26 to positionsecond corner panel 26 adjacent and/or againstside face 1666 and/orbottom face 1668 ofsecond mandrel 1604 as foldingarm 1424 is rotated byrotary drive mechanism 1422. Squaringbar 1432 is configured to contactfirst end panel 28 adjacent fold line 44 to facilitate aligning andfolding panels second mandrel 1604 as the second portion of blank 20 is wrapped aboutsecond mandrel 1604. One or more offolding arm 1424, engagingbar 1430, squaringbar 1432, and/ormiter bar 1434 may be detachably coupled within fold-underassembly 1416 such that the components of fold-underassembly 1416 may be interchanged with other components to accommodate blanks of varying sizes and/or shapes. Moreover, the position of engagingbar 1430, squaringbar 1432, and/ormiter bar 1434 may be adjusted with respect to one another and/or with respect to ends 1426 and 1428 offolding arm 1424 to accommodate blanks of varying sizes and/or shapes. -
Folding arm 1424 is coupled torotary drive mechanism 1422 atsecond end 1428 such that operation ofrotary drive mechanism 1422 causesfolding arm 1424 to rotate towards and/or away from bottom faces 1668 ofsecond mandrel 1604. In the example embodiment,rotary drive mechanism 1422 is a rack-and-pinion drive system including apinion gear 1436 operatively coupled to arack 1438, which is in turn operatively coupled to a linear actuator 1440 (e.g., a pneumatic cylinder). - Fold-under
assembly 1416 is mounted to abi-directional positioning system 1442 configured to permit manual adjustment of the position of fold-underassembly 1416 with respect tosecond mandrel 1604.Bi-directional positioning system 1442 is configured to permit movement of fold-underassembly 1416 in a plane substantially perpendicular to the X direction, defined by the transverse direction Y and a vertical direction indicated by an arrow Z. That is,bi-directional positioning system 1442 permits fold-underassembly 1416 to be moved laterally towards and away from one or more of side faces 1664, 1666, 1674 and/or 1676, and upwards and downwards with respect tosecond mandrel 1604. - In operation,
folding arm 1424 is initially positioned in a first, generally down position (shown inFIGS. 25 and 26 ). After a blank 20 is positioned onsecond mandrel 1604,rotary drive mechanism 1422 activates and rotatesfolding arm 1424 towards bottom faces 1668 and 1670 ofsecond mandrel 1604 into a second, general up position (shown inFIG. 32 ). Asfolding arm 1424 rotates towards bottom faces 1668 and 1670, engagingbar 1430 contacts the second portion of blank, and folds the second portion aboutsecond mandrel 1604 until one or more panels of blank 20 is adjacent and/or against a corresponding face ofsecond mandrel 1604. Also, as foldingarm 1424 rotates towards the second position, squaringbar 1432 andmiter bar 1434 contact an end panel and a corner of blank 20, respectively, and position the end panel and corner panel adjacent and/or againstside face 1666 andbottom face 1668 ofsecond mandrel 1604, respectively.Rotary drive mechanism 1422 then reverses direction and rotatesfolding arm 1424 back into the first position to repeat the fold-under process forsubsequent blanks 20. In the example embodiment,folding arm 1424 is held in the second position while a manufacturing joint is formed by gluepanel folder assembly 1418 and gluepanel presser assembly 1420, described in more detail below. - In the example embodiment,
folding arm 1424 also includes astopper 1488.Stopper 1488 is configured to stop motion of blank 20 in the X direction resulting from operation oftransfer assembly 1304. More specifically,stopper 1488 is configured to engage a leading edge 128 (shown inFIG. 1 ) of one or morebottom panels Stopper 1488 is positioned adjacentmandrel wrap section 1400 such that blank 20 is stopped withinmandrel wrap section 1400. In the example embodiment,stopper 1488 is a stationary bar.Stopper 1488 is configured to engage aleading edge 128 of a panel, such as firstbottom side panel 62, that is subsequently wrapped aroundsecond mandrel 1604 such thatstopper 1488 does not impede motion of blank 20 in the X direction after blank 20 is wrapped aroundsecond mandrel 1604 inmandrel wrap section 1400. In alternative embodiments,stopper 1488 may be retractable from a first, extended position to a second, retracted position. In such embodiments,stopper 1488 may be initially positioned in the first, extended position to stop a blank 20 as blank 20 moves in the X direction. Oncestopper 1488 stops blank 20, stopper may be retracted to the second, retracted position to permit blank 20 to move in the X direction after blank 20 is wrapped aroundsecond mandrel 1604 in themandrel wrap section 1400. In yet further alternative embodiments,stopper 1488 may be operable to move between the first position and the second position by any suitable means (e.g., rotation) that enablesstopper 1488 to function as described herein. In yet further alternative embodiments,stopper 1488 may be included withintransfer assembly 1304. - Referring to
FIGS. 25-26 and 33-37 , gluepanel folder assembly 1418 and gluepanel presser assembly 1420 are configured to fold a second portion of blank 20 aboutsecond mandrel 1604, and form a manufacturer joint ofcontainer 200. Thus, gluepanel folder assembly 1418 and gluepanel presser assembly 1420 are positioned opposite fold-underassembly 1416 with respect tosecond mandrel 1604. In the example embodiment, gluepanel folder assembly 1418 and gluepanel presser assembly 1420 are positionedadjacent corner face 1672 ofsecond mandrel 1604. - Glue
panel folder assembly 1418 includes anangled plate 1444 having aface 1446 substantially parallel tocorner face 1672 ofsecond mandrel 1604.Angled plate 1444 is operatively coupled to alinear actuator 1448 via mountingplate 1450 that movesangled plate 1444 toward and away fromsecond mandrel 1604.Angled plate 1444 is configured to contact and/or foldglue panel 38 during formation ofcontainer 200. In the example embodiment, angledplate 1444 is configured to rotateglue panel 38 aboutfold line 54 towards and/or into contact withcorner face 1672. Gluepanel presser assembly 1420 includes apresser plate 1452 having apressing surface 1454 substantially parallel tocorner face 1672 ofsecond mandrel 1604.Presser plate 1452 is coupled to alinear actuator 1456 via a mountingplate 1458 that movespresser plate 1452 toward and away fromsecond mandrel 1604.Presser plate 1452 is configured to contact and/or foldfirst corner panel 22 and/orglue panel 38 to formcontainer 200. In the example embodiment,presser plate 1452 is configured to pressfirst corner panel 22 andglue panel 38 together againstcorner face 1672 ofsecond mandrel 1604 to form a manufacturing joint atfirst corner wall 204 ofcontainer 200. - Glue
panel folder assembly 1418 and gluepanel presser assembly 1420 are each adjustably coupled to arail system 1460 such that gluepanel folder assembly 1418 and gluepanel presser assembly 1420 can be adjusted in the vertical direction Z to accommodate blanks having different sizes and/or shapes. - In operation, angled
plate 1444 andpresser plate 1452 are each initially positioned in a respective first position (shown inFIG. 35 ). Asfolding arm 1424 is rotated byrotary drive mechanism 1422 and the second portion of blank 20 is folded aboutsecond mandrel 1604,linear actuator 1448 moves angledplate 1444 from the first position towardscorner face 1672 ofsecond mandrel 1604 and into a second position (shown inFIG. 36 ). As angledplate 1444 moves towards the second position, angledface 1446 contacts a corner panel of blank 20 and positions the corner panel adjacent and/or in contact withcorner face 1672. In the example embodiment, angledplate 1444 contacts and foldsfirst corner panel 22 aroundsecond mandrel 1604 aboutfold line 40. - While
angled plate 1444 is in the second position,linear actuator 1456 activates and begins movingpresser plate 1452 from the first position towardscorner face 1672 ofsecond mandrel 1604 and into a second position (shown inFIG. 37 ). Aspresser plate 1452 moves toward the second position,linear actuator 1448 reverses direction and movesangled plate 1444 from the second position back into the first position. Also, aspresser plate 1452 moves toward the second position,presser plate 1452 contacts a corner panel of blank 20 and presses the corner panel together with another corner panel of blank 20 againstcorner face 1672 ofsecond mandrel 1604. - In the example embodiment,
presser plate 1452 contacts and foldsglue panel 38 aroundsecond mandrel 1604 aboutfold line 54.Presser plate 1452 pressesfirst corner panel 22 andglue panel 38 together againstcorner face 1672 ofsecond mandrel 1604.Presser plate 1452 is held againstpanels adhesive bonds panels assembly 1416, gluepanel folder assembly 1418, and gluepanel presser assembly 1420 cooperate to fold blank 20 alongfold lines container 200. - Referring to
FIGS. 25-26 and 35-40 ,bottom folder assembly 1406 is positioned downstream fromsecond mandrel 1604, and is configured to fold one or morebottom panels second mandrel 1604.Bottom folder assembly 1406 includes a pair of sidepanel bullet arms bottom side panel second mandrel 1604, and a pair of endpanel bullet arms bottom end panels 96 and 102 of blank 20 aboutsecond mandrel 1604, respectively. - As shown in
FIGS. 38-39 , each sidepanel bullet arm tip 1470 and ashaft 1472 operatively coupled to alinear actuator 1474. Sidepanel bullet arms second mandrel 1604 such that operation oflinear actuators 1474 causestips 1470 to move towardssecond mandrel 1604 and fold abottom side panel second mandrel 1604 aboutfold line panel bullet arms bottom side panel 62 aboutfold line 66. - Each end
panel bullet arm tip 1470 and ashaft 1472 similar totips 1470 andshafts 1472 of sidepanel bullet arms Shafts 1472 of endpanel bullet arms linear actuators panel bullet arms second mandrel 1604. Further, endpanel bullet arms linear actuator 1476 causes tip 1470 of endpanel bullet arm 1466 to move towardssecond mandrel 1604 and foldbottom end panel 96 aroundsecond mandrel 1604 aboutfold line 100, and operation oflinear actuator 1478 causes tip 1470 of endpanel bullet arm 1468 to move towardssecond mandrel 1604 and fold bottom end panel 102 aroundsecond mandrel 1604 aboutfold line 106. - Referring to
FIGS. 25-26 and 40-42 ,bottom presser assembly 1408 is positioned abovesecond mandrel 1604, and is configured to form bottom wall ofcontainer 200. More specifically,bottom presser assembly 1408 includes anupper plate 1480 configured to pressbottom panels bottom wall 222 ofcontainer 200.Upper plate 1480 is pivotably mounted to alinear actuator 1482, the operation of which causesupper plate 1480 to rotate between a first, generally flat position (shown inFIG. 40 ) and a second, generally vertical position (shown inFIG. 42 ).Upper plate 1480 is configured to lay flat in the first position and rotate towardsecond mandrel 1604 to the second position. Whenupper plate 1480 is in the first position,container 200 can be ejected fromsecond mandrel 1604 beneathupper plate 1480 tooutfeed section 1500, described in more detail below. Whenupper plate 1480 is in the second position,upper plate 1480 compressesbottom panels - As
upper plate 1480 rotates toward the second position,upper plate 1480 contacts one or more ofbottom panels bottom panels bottom wall 222 ofcontainer 200. In the example embodiment, upper plate also folds first and secondbottom side panels fold lines upper plate 1480 moves from the first position to the second position. In the example embodiment,upper plate 1480 includes separate plate sections which may be interchanged with other plate sections to accommodate blanks having different sizes and/or shapes. - To facilitate adjusting and interchanging elements of
second mandrel assembly 1604, and cleaning and/or clearing debris frommachine 1000,mandrel retention assembly 1402 andbottom presser assembly 1408 are operatively mounted to a linear actuator 1498 (shown inFIGS. 41 and 43 ) configured to raise and lower bothmandrel retention assembly 1402 andbottom presser assembly 1408. Specifically,mandrel retention assembly 1402 andbottom presser assembly 1408 may be raised from a lowered, operational position to a raised, standby position usinglinear actuator 1498 such that a user (not shown) may accesssecond mandrel 1604 to adjust and/or interchange components ofsecond mandrel 1604, and clean and/or clear debris frommachine 1000. A locking pin (not shown) may also be provided to securemandrel retention assembly 1402 andbottom presser assembly 1408 in the raised, standby position. - In the example embodiment,
bottom folder assembly 1406 andbottom presser assembly 1408 are illustrated as two separate assemblies. In alternative embodiments,bottom folder assembly 1406 andbottom presser assembly 1408 may be integrated into a single bottom forming assembly (not shown) that is configured to perform all of the functions and operations ofbottom folder assembly 1406 andbottom presser assembly 1408. -
Ejection assembly 1410 includes anejection plate 1484 moveable from a first position within second mandrel 1604 (shown inFIG. 40 ) to a second, generally extended position downstream from second mandrel 1604 (shown inFIG. 43 ). Whenejection plate 1484 is at the first position,bottom folder assembly 1406 andbottom presser assembly 1408 fold and/or pressbottom panels ejection plate 1484 to formbottom wall 222 ofcontainer 200. Whenejection plate 1484 is at the second position,container 200 is removed fromsecond mandrel 1604. In the example embodiment,ejection plate 1484 is positioned within thesecond mandrel 1604, and is operatively coupled to a linear actuator 1486 (shown inFIG. 16 ) positioned withinmandrel assembly 1600 upstream fromejection plate 1484. - Referring to
FIGS. 25, 38-40, and 42-43 ,outfeed section 1500 includes aconveyor assembly 1502 that movescontainers 200 frommandrel wrap section 1400 toward a product load section (not shown). More specifically,conveyor assembly 1502 includes a plurality ofconveyor belts 1504 positioned downstream frommandrel wrap section 1400 such thatejection plate 1484 is aboveconveyor belts 1504 whenejection plate 1484 is at its second position.Outfeed section 1500 facilitates discharging a formedcontainer 200 frommachine 1000.Conveyor belts 1504 are slidably mounted torails 1506 such thatconveyor belts 1504 may be adjusted in the transverse direction Y to accommodate blanks and containers of varying sizes and/or shapes. In the example embodiment, endpanel bullet arms rails 1506 such that endpanel bullet arms rails 1506 may be selectively adjusted in the vertical direction Z. As a result, theentire conveyor assembly 1502 as well as endpanel bullet arms - In the example embodiment,
conveyor assembly 1502 is operatively coupled to adrive mechanism 1508 configured to continuously driveconveyor belts 1504 whilemachine 1000 is formingcontainers 200. In alternative embodiments,conveyor assembly 1502 may include a servomechanism (not shown) configured to removecontainer 200 frommachine 1000 at a predetermined speed and timing. In such embodiments,conveyor assembly 1502 may be servo-controlled in synchronism withejection plate 1484 such thatconveyor belts 1504 are only activated whencontainer 200 is being ejected frommandrel wrap section 1400. - During operation of
machine 1000 to formcontainer 200, blank 20 is positioned overfirst mandrel 1602 by pick-and-place assembly 1202. Referring toFIGS. 11, 15, and 19 , when blank 20 is positioned on top offirst mandrel 1602,folding fingers pre-folding assembly 1302 are rotated from the first position downward relative to blank 20 to the second position bylinear actuator 1312. In the example embodiment,folding fingers second end panels fold lines 42 and/or 48 and 50 and/or 52, respectively, to be adjacent to and/or in contact with side faces 1618 and 1620 ofmiter plates adjustable plates second end panels third corner panel 30 andfourth corner panel 34 to be folded downward aboutfold lines angled faces miter plates -
Transfer assembly 1304 facilitates transfer of partially formedcontainer 200 frommandrel pre-fold section 1300 tomandrel wrap section 1400. More specifically,pusher foot 1322 engages a trailingedge 126 of blank 20 and pushes blank 20 towardmandrel wrap section 1400 alongmandrel guide rails folding fingers pre-folding assembly 1302 are held in the second position to facilitate maintaining the alignment of partially formedcontainer 200 as it is transferred frommandrel pre-fold section 1300 tomandrel wrap section 1400. - As blank 20 is transferred from
mandrel pre-fold section 1300 tomandrel wrap section 1400,adhesive applicator assembly 1326 applies adhesive to one or more panels of blank 20. In the example embodiment,adhesive applicator assembly 1326 applies adhesive to an exterior surface ofbottom end panels 96 and 102, andglue panel 38. -
Blank 20 arrives at themandrel wrap section 1400 as a partially formedcontainer 200.Stopper 1488 facilitates positioning blank 20 withinmandrel wrap section 1400 by preventing blank 20 from being pushed bytransfer assembly 1304 too far downstream in the X direction. Aleading edge 128 of blank 20contacts stopper 1488, which stops further progress of blank 20 in the X direction. - Referring to
FIGS. 28-29 , once blank 20 is positioned adjacentsecond mandrel 1604, plate-over tool 1412 is lowered downwardly relative to blank 20 bylinear actuator 1414 to maintain the position and/or alignment of blank 20 while one or more remaining portions of blank 20 are wrapped aroundsecond mandrel 1604. In the example embodiment, plate-over tool 1412 engagesfirst end panel 28,second side panel 32, andsecond end panel 36. - Referring to
FIGS. 26 and 32 ,folding arm 1424 of fold-underassembly 1416 wraps the second portion of blank 20 aroundsecond mandrel 1604. More specifically,folding arm 1424 is rotated such that engagingbar 1430, squaringbar 1432, andmiter bar 1434 wrap the second portion of blank 20 aroundsecond mandrel 1604. Engagingbar 1430 foldsfirst side panel 24 towards bottom faces 1668 and 1670 ofsecond mandrel 1604 aboutfold lines 42 and/or 44 such thatfirst side panel 24 is in face-to-face contact with bottom faces 1668 and/or 1670 ofsecond mandrel 1604. Squaringbar 1432 andmiter bar 1434 and position blank 20 in face-to-face contact withside face 1666 ofsecond mandrel 1604 atpanels 26 and/or 28. Referring toFIGS. 35-37 , as foldingarm 1424 is rotated from the first position to the second position, gluepanel folder assembly 1418 is moved towardsglue panel 38 to foldglue panel 38 aboutfold line 54 towardcorner face 1672 ofsecond mandrel 1604. In the example embodiment, gluepanel folder assembly 1418 foldsglue panel 38 in face-to-face contact withcorner face 1672 ofsecond mandrel 1604. During and/or after folding ofglue panel 38 by gluepanel folder assembly 1418, gluepanel presser assembly 1420 is moved towardsfirst corner panel 22 and/orglue panel 38, and pressesfirst corner panel 22 andglue panel 38 together to form a manufacturer joint ofcontainer 200.Presser plate 1452 of gluepanel presser assembly 1420 is held againstpanels adhesive bonds panels panel presser assembly 1420 also foldsfirst corner panel 22 aboutfold line 40 towardcorner face 1672 ofsecond mandrel 1604. Accordingly, fold-underassembly 1416, gluepanel folder assembly 1418, and gluepanel presser assembly 1420 cooperate to fold blank 20 alongfold lines container 200. - Referring to
FIGS. 35-37, 40 and 42 , before and/or during rotation offolding arm 1424 from the first position to the second position,bottom folder assembly 1406 rotatesbottom panels fold lines tips 1470 of endpanel bullet arms second end panels 96 and 102 aboutfold lines ejection plate 1484, andtips 1470 of sidepanel bullet arms bottom side panel 62 aboutfold line 66 towardsejection plate 1484 to be adjacent to and/or in contact withejection plate 1484. Afterbottom panels upper plate 1480 ofbottom presser assembly 1408 rotates downward and folds secondbottom side panel 68 againstbottom panels ejection plate 1484.Upper plate 1480 pressespanels ejection plate 1484 for a predetermined period and/or duration of time to ensure thatadhesive bonds panels panel bullet arms upper plate 1480 is rotated downwards so as to avoid contact betweenbullet arms upper plate 1480. In alternative embodiments,upper plate 1480 may have notches or cutouts (not shown) defined therein corresponding tobullet arms bullet arms upper plate 1480 rotates downward and pressespanels ejection plate 1484. - Referring to
FIGS. 42-43 ,ejection assembly 1410 facilitates removal of formedcontainer 200 frommandrel wrap section 1400 tooutfeed section 1500. More specifically,ejection plate 1484 applies a force tobottom wall 222 ofcontainer 200 to removecontainer 200 frommandrel assembly 1600. In the example embodiment,ejection plate 1484 is at a first position within and/or adjacent tosecond mandrel 1604 during formation ofcontainer 200. To removecontainer 200,ejection plate 1484 is moved to a second positionadjacent outfeed section 1500. Asejection plate 1484 is moved,container 200 is moved towardoutfeed section 1500. Atoutfeed section 1500container 200 is conveyed downstream frommachine 1000 for loading and/or top wall formation byconveyor assembly 1502. For example, aftercontainer 200 is formed and a product is placed insidecontainer 200,top panels top wall 224 for shipping of the product. - In alternative embodiments,
machine 1000,sections pre-folding assembly 1302 may be positioned beneathmandrel assembly 1600, and configured to fold a blank 20 up and aroundmandrel assembly 1600. Further,mandrel assembly 1600 may be oriented at 180 degrees with respect to the orientation shown inFIG. 16 such thatmiter plates adjustable plates machine 1000 may include additional guide rails positioned beneathmandrel assembly 1600 configured to have a blank 20 placed thereon and slid along the guide rails in the container forming direction X. Such guide rails may have a construction and/or a configuration substantially similar tomandrel guide rails mandrel retention assembly 1402 may be positioned belowmandrel assembly 1600, and plate-overtool 1412 may be configured to be raised, rather than lowered, to secure a blank againstsecond mandrel 1604 while the blank is wrapped aroundsecond mandrel 1604 to form a container. Further, wrappingassembly 1404 may be positioned abovemandrel assembly 1600, andfolding arm 1424 of fold-underassembly 1416 may be configured to rotate downwards, rather than upwards, to fold a portion of a blank aroundmandrel assembly 1600. Further,bottom presser assembly 1408 may be positioned belowmandrel assembly 1600, and upper plate 1480 (better described as a lower plate in such an embodiment) may be configured to rotate upwards towardsejection plate 1484 to presspanels ejection plate 1484 to form a bottom wall of a container. Further, in such an embodiment,blanks 20 may be loaded intomagazine feed section 1100 in a substantially horizontal orientation, substantially similar to the orientation of blank 20 when placed onfirst mandrel 1602 by vacuum transfer section 1200 (shown inFIG. 15 ).Blanks 20 may be fed directly intopre-fold section 1300 bymagazine feed section 1100 by sliding a blank 20 along the additional guide rails (not shown) positioned beneathmandrel assembly 1600 using magazine drives 1102 and 1104. Thus, in such an embodiment,vacuum transfer section 1200 may be omitted frommachine 1000. Further, in such an embodiment,pre-fold section 1300 may include a stopper substantially similar tostopper 1488 configured to stop a blank 20 withinpre-fold section 1300. - Referring to
FIG. 44 , a blank of sheet material for forming a tray is indicated generally at 2020. As explained below in more detail, tray blank 2020 is coupled to another blank (a lid blank 2420, shown inFIG. 46 ) to form a blank assembly (such asblank assembly 2920, shown inFIG. 52 ) that is used to form a different embodiment of container 200 (shown inFIGS. 2-5 ), namely a RRP container (such ascontainer 2800, shown inFIGS. 49-51 ). As shown inFIG. 44 , tray blank 2020 includes a series of aligned wall panels and end panels connected together by a plurality of preformed, generally parallel, fold lines. Specifically, the wall panels include atray glue panel 2022, a firsttray corner panel 2024, a firsttray side panel 2026, a secondtray corner panel 2028, a firsttray end panel 2030, a thirdtray corner panel 2032, a secondtray side panel 2034, a fourthtray corner panel 2036, and a secondtray end panel 2038 connected in series along a plurality offold lines Tray glue panel 2022 extends from a firstfree edge 2056 to foldline 2040, firsttray corner panel 2024 extends fromtray glue panel 2022 alongfold line 2040, firsttray side panel 2026 extends from firsttray corner panel 2024 alongfold line 2042, secondtray corner panel 2028 extends from firsttray side panel 2026 alongfold line 2044, firsttray end panel 2030 extends from secondtray corner panel 2028 alongfold line 2046, thirdtray corner panel 2032 extends from firsttray end panel 2030 alongfold line 2048, secondtray side panel 2034 extends from thirdtray corner panel 2032 alongfold line 2050, fourthtray corner panel 2036 extends from secondtray side panel 2034 alongfold line 2052, and secondtray end panel 2038 extends from fourthtray corner panel 2036 alongfold line 2054 to a secondfree edge 2058. - A first tray
bottom side panel 2060 extends from firsttray side panel 2026 along a preformedfold line 2062 that is generally parallel to an opposingfree edge 2064 of firsttray side panel 2026. Similarly, a second traybottom side panel 2066 extends from secondtray side panel 2034 along a preformedfold line 2068 that is generally parallel to an opposingfree edge 2070 of secondtray side panel 2034. Foldlines lines - First tray
bottom side panel 2060 and second traybottom side panel 2066 each include afree edge bottom side panels edge portions respective fold lines 2062 and/or 2068. Further, traybottom side panels angled edge portions angled edge portions angled edge portions respective fold lines bottom side panel 2060 and second traybottom side panel 2066 each include anotch 2084 extending inwardly into a respective traybottom side panel angled edge portion 2082. - A first tray
bottom end panel 2086 extends from firsttray end panel 2030 along a preformedfold line 2088 that is parallel to an opposingfree edge 2090 of firsttray end panel 2030. Similarly, a second traybottom end panel 2092 extends from secondtray end panel 2038 along a preformedfold line 2094 that is parallel to an opposingfree edge 2096 of secondtray end panel 2038. Foldlines lines - First tray
bottom end panel 2086 and second traybottom end panel 2092 each include afree edge bottom end panels side edge portions respective fold lines - A viewing window 2106 (broadly, a notch) extends inwardly into tray blank 2020 from
free edges tray side panel 2034 and firsttray end panel 2030, respectively.Viewing window 2106 extends across firsttray end panel 2030, thirdtray corner panel 2032, and secondtray side panel 2034 in a direction parallel to a centralhorizontal axis 2108 of tray blank 2020. - The shape, size, and arrangement of tray
bottom side panels FIG. 44 and described above facilitates forming anoctagonal tray 2200 having angled corners, an example of which is shown inFIG. 45 . More specifically, the shape, size, and arrangement of traybottom side panels tray 2200 having tray corner walls that are obliquely angled with respect to, and interconnect tray side walls and tray end walls of formedtray 2200. Further, the shape, shape, size, and arrangement oftray panels FIG. 44 and described above facilitates forming anoctagonal tray 2200 with a viewing window to enable viewing of products contained withintray 2200. -
FIG. 45 illustrates a perspective view of anexample tray 2200 in an erected configuration that may be formed from tray blank 2020 (shown inFIG. 44 ).Tray 2200 includes a plurality of walls defining acavity 2202. More specifically,tray 2200 includes a firsttray corner wall 2204, a firsttray side wall 2206, a secondtray corner wall 2208, a firsttray end wall 2210, a thirdtray corner wall 2212, a secondtray side wall 2214, a fourthtray corner wall 2216, and a secondtray end wall 2218. Firsttray end wall 2210, thirdtray corner wall 2212, and secondtray side wall 2214 each have aheight 2220 that is smaller than aheight 2222 ofwalls tray 2200. In the example embodiment, firsttray corner wall 2204 connects firsttray side wall 2206 to secondtray end wall 2218, secondtray corner wall 2208 connects firsttray side wall 2206 to firsttray end wall 2210, thirdtray corner wall 2212 connects firsttray end wall 2210 to secondtray side wall 2214, and fourthtray corner wall 2216 connects secondtray side wall 2214 to secondtray end wall 2218. Further,tray bottom panels bottom wall 2224 oftray 2200. Althoughtray 2200 may have other orientations without departing from the scope of the present disclosure, in the embodiment shown inFIG. 45 ,tray end walls tray side walls tray corner wall 2204 and thirdtray corner wall 2212 are substantially parallel to each other, and secondtray corner wall 2208 and fourthtray corner wall 2216 are substantially parallel to each other.Tray corner walls tray walls tray 2200. -
FIG. 46 is an interior view of a blank 2420 of sheet material for forming a lid 2600 (shown inFIGS. 47 and 48 ) that is releasably attachable to tray 2200 (shown inFIG. 45 ).Lid blank 2420 includes a series of aligned wall panels and end panels connected together by a plurality of preformed, generally parallel, fold lines. Specifically, the wall panels include a firstlid corner panel 2422, a firstlid side panel 2424, a secondlid corner panel 2426, a firstlid end panel 2428, a thirdlid corner panel 2430, a secondlid side panel 2432, a fourthlid corner panel 2434, a secondlid end panel 2436, and alid glue panel 2438 connected in series along a plurality offold lines lid corner panel 2422 extends from a firstfree edge 2456 to foldline 2440, firstlid side panel 2424 extends from firstlid corner panel 2422 alongfold line 2440, secondlid corner panel 2426 extends from firstlid side panel 2424 alongfold line 2442, firstlid end panel 2428 extends from secondlid corner panel 2426 alongfold line 2444, thirdlid corner panel 2430 extends from firstlid end panel 2428 alongfold line 2446, secondlid side panel 2432 extends from thirdlid corner panel 2430 alongfold line 2448, fourthlid corner panel 2434 extends from secondlid side panel 2432 alongfold line 2450, secondlid end panel 2436 extends from fourthlid corner panel 2434 alongfold line 2452, andlid glue panel 2438 extends from secondlid end panel 2436 alongfold line 2454 to a secondfree edge 2457. - A first lid
top side panel 2458 extends from firstlid side panel 2424 along a preformedfold line 2460 that is generally parallel to an opposingfree edge 2462 of firstlid side panel 2424. Similarly, a second lidtop side panel 2464 extends from secondlid side panel 2432 along a preformedfold line 2466 that is generally parallel to an opposingfree edge 2468 of secondlid side panel 2432. Foldlines lines - First lid
top side panel 2458 and second lidtop side panel 2464 each include afree edge top side panels side edge portions respective fold lines top side panels arc portions respective fold lines side edge portion top side panels tabs side edge portions top side panel 2458 and second lidtop side panel 2464 each includecutouts 2486 extending alongfold lines - A first lid
top end panel 2488 extends from firstlid end panel 2428 along a preformedfold line 2490 that is parallel to an opposingfree edge 2492 of firstlid end panel 2428. Similarly, a second lidtop end panel 2494 extends from secondlid end panel 2436 along a preformedfold line 2496 that is parallel to an opposingfree edge 2498 of secondlid end panel 2436. Foldlines lines - First lid
top end panel 2488 and second lidtop end panel 2494 each include afree edge top end panels side edge portions respective fold lines top end panel 2488 and second lidtop end panel 2494 each include opposingangled edge portions respective fold lines top end panels cutouts 2512 andflaps 2514 extending fromfold lines cutouts 2512. - Further, first
lid side panel 2424 and secondlid side panel 2432 each include a tear-awaytab away tabs lid side panel 2424 and secondlid side panel 2432, respectively, byperforation lines 2520. Tear-away tabs horizontal axis 2522 of lid blank 2420 by a distance substantially equal to the difference betweenheight 2220 oflid walls height 2222 oflid walls -
FIG. 47 illustrates a perspective view of anexample lid 2600 in an erected, open configuration that may be formed from lid blank 2420 (shown inFIG. 46 ).FIG. 48 illustrates a perspective view oflid 2600 in a closed configuration.Lid 2600 includes a plurality of walls defining acavity 2602. More specifically,lid 2600 includes a firstlid corner wall 2604, a firstlid side wall 2606, a secondlid corner wall 2608, a firstlid end wall 2610, a thirdlid corner wall 2612, a secondlid side wall 2614, a fourthlid corner wall 2616, and a secondlid end wall 2618. In the example embodiment, firstlid corner wall 2604 connects firstlid side wall 2606 to secondlid end wall 2618, secondlid corner wall 2608 connects firstlid side wall 2606 to firstlid end wall 2610, thirdlid corner wall 2612 connects firstlid end wall 2610 to secondlid side wall 2614, and fourthlid corner wall 2616 connects secondlid side wall 2614 to secondlid end wall 2618. Further,lid top panels top wall 2620 oflid 2600. Althoughlid 2600 may have other orientations without departing from the scope of the present disclosure, in the embodiments shown inFIGS. 47 and 48 ,lid end walls lid side walls lid corner wall 2604 and thirdlid corner wall 2612 are substantially parallel to each other, and secondlid corner wall 2608 and fourthlid corner wall 2616 are substantially parallel to each other.Lid corner walls lid walls lid 2600. -
FIG. 49 illustrates a perspective view of acontainer 2800 in an erected, open configuration, that may be formed from tray blank 2020 andlid blank 2420.FIG. 50 illustrates a perspective view ofcontainer 2800 in a closed configuration.FIG. 51 illustrates an overhead cross-sectional view ofcontainer 2800. Referring toFIGS. 49-51 , in the example embodiment,container 2800 includes a plurality of walls defining acavity 2802. More specifically,container 2800 includes afirst corner wall 2804, afirst side wall 2806, asecond corner wall 2808, afirst end wall 2810, athird corner wall 2812, asecond side wall 2814, afourth corner wall 2816, and asecond end wall 2818.First corner wall 2804 includes firsttray corner panel 2024, firstlid corner panel 2422, andlid glue panel 2438;first side wall 2806 includes firsttray side panel 2026 and firstlid side panel 2424;second corner wall 2808 includes secondtray corner panel 2028 and secondlid corner panel 2426;first end wall 2810 includes firsttray end panel 2030 and firstlid end panel 2428;third corner wall 2812 includes thirdtray corner panel 2032 and thirdlid corner panel 2430;second side wall 2814 includes secondtray side panel 2034 and secondlid corner panel 2426;fourth corner wall 2816 includes fourthtray corner panel 2036 and fourthlid corner panel 2434; andsecond end wall 2818 includes secondtray end panel 2038, secondlid end panel 2436, andtray glue panel 2022. - In the example embodiment,
first corner wall 2804 connectsfirst side wall 2806 tosecond end wall 2818,second corner wall 2808 connectsfirst side wall 2806 tofirst end wall 2810,third corner wall 2812 connectsfirst end wall 2810 tosecond side wall 2814, andfourth corner wall 2816 connectssecond side wall 2814 tosecond end wall 2818. Further,tray bottom wall 2224 forms abottom wall 2820 ofcontainer 2800, andlid top wall 2620 forms atop wall 2822 ofcontainer 2800. Althoughcontainer 2800 may have other orientations without departing from the scope of the present disclosure, in the embodiments shown inFIGS. 49-51 ,end walls side walls first corner wall 2804 andthird corner wall 2812 are substantially parallel to each other, andsecond corner wall 2808 andfourth corner wall 2816 are substantially parallel to each other.Corner walls walls container 2800. -
Tray bottom panels walls bottom wall 2820. More specifically, traybottom end panels bottom side panels FIG. 50 ),lid top panels walls top wall 2822. Althoughcontainer 2800 may be secured together using any suitable fastener at any suitable location oncontainer 2800 without departing from the scope of the present disclosure, in one embodiment, adhesive (not shown) is applied to an outer surface of secondtray end panel 2038 and/or an inner surface oftray glue panel 2022 to form secondtray end wall 2218, and to an outer surface oftray glue panel 2022 and/or an inner surface of firstlid corner panel 2422 to form firstlid corner wall 2604. Further, adhesive may also be applied to an exterior surface of tear-awaytabs tray side panel 2026 and/or secondtray side panel 2034 to formfirst side wall 2806 andsecond side wall 2814. In one embodiment, adhesive may also be applied to exterior surfaces of traybottom end panels 2086 and/or 2092 and/or interior surfaces of traybottom side panels 2060 and/or 2066 to secure traybottom side panels 2060 and/or 2066 to traybottom end panels 2086 and/or 2092 to formbottom wall 2820. - Although
panels panels panels walls walls lid 2600, andwalls container 2800 may broadly be referred to as “side walls”. - As will be described below in more detail with reference to
FIGS. 53-58 , tray blank 2020 and lid blank 2420 are intended to form acontainer 2800 as shown inFIGS. 49-51 . More specifically, in the example embodiment, tray blank 2020 and lid blank 2420 are adhered to one another prior to folding and/or securing together the panels of tray blank 2020 andlid blank 2420. That is, tray blank 2020 and lid blank 2420 are pre-glued to one another prior to folding and/or securing together the panels of tray blank 2020 andlid blank 2420.Container 2800 is subsequently formed by folding and/or securing the panels of tray blank 2020 and lid blank 2420 (shown inFIGS. 44 and 46 ). -
FIG. 52 illustrates an exterior view of ablank assembly 2920 formed by attaching tray blank 2020 tolid blank 2420. As shown inFIG. 52 ,blank assembly 2920 is formed by placing an interior surface of tray blank 2020 in a face-to-face relationship with an exterior surface of lid blank 2420, and selectively adhering tray blank 2020 tolid blank 2420. More specifically, firsttray corner panel 2024 is placed in an overlapping and face-to-face relationship with firstlid corner panel 2422, firsttray side panel 2026 is placed in an overlapping and face-to-face relationship with firstlid side panel 2424, secondtray corner panel 2028 is placed in an overlapping and face-to-face relationship with secondlid corner panel 2426, firsttray end panel 2030 is placed in an overlapping and face-to-face relationship with firstlid end panel 2428, thirdtray corner panel 2032 is placed in an overlapping and face-to-face relationship with thirdlid corner panel 2430, secondtray side panel 2034 is placed in an overlapping and face-to-face relationship with secondlid side panel 2432, fourthtray corner panel 2036 is placed in an overlapping and face-to-face relationship with fourthlid corner panel 2434, and secondtray end panel 2038 is placed in an overlapping and face-to-face relationship with secondlid end panel 2436.Tray blank 2020 and lid blank 2420 are attached to one another by applying adhesive to an exterior surface of tear-awaytabs 2516 and/or 2518, and/or applying adhesive to an interior surface of firsttray side panel 2026 and/or secondtray side panel 2034, and pressingtray side panels tabs container 2800 is formed,lid 2600 is releasably coupled totray 2200, and may be removed fromtray 2200 by breaking away tear-awaytabs lid 2600 and/ortray 2200. In the example embodiment, tray blank 2020 and lid blank 2420 are not adhered to one another along any other surface. -
FIGS. 53 and 54 are perspective views of analternate machine 3000 for forming a container, such as container 2800 (shown inFIGS. 49-51 ) from two or more blanks of sheet material, such as tray blank 2020 and lid blank 2420 (shown inFIGS. 44 and 46 ).Machine 3000 is substantially similar tomachine 1000, and, as such, similar components are labeled with similar references. More specifically,machine 3000 is substantially similar tomachine 1000, exceptmachine 3000 includes a tray panel folder 3304 (shown inFIG. 53 ), a tray glue panel presser assembly 3402 (shown inFIGS. 54-56 ), an additional adhesive applicator 3328 (shown inFIG. 54 ), and an extended adhesive applicator guide rail 3330 (shown inFIG. 54 ). - Referring to
FIG. 53 , mandrel pre-fold section 3300 ofmachine 3000 includes apre-folding assembly 3302 substantially similar topre-folding assembly 1302 ofmachine 1000, exceptpre-folding assembly 3302 includes atray panel folder 3304 coupled to one offolding fingers 1306 and/or 1308.Tray panel folder 3304 is configured to fold one or more panels of tray blank 2020 aroundfirst mandrel 1602 whenpre-folding assembly 3302 moves from the first, raised position (shown inFIG. 53 ) to the second, lowered position (not shown). Further,tray panel folder 3304 is configured to maintain alignment of one or more panels of tray blank 2020 and/or lid blank 2420 asblank assembly 2920 is transferred from mandrel pre-fold section 3300 to mandrel wrap section 3400. More specifically,tray panel folder 3304 extends from foldingfinger 1306 and/or 1308 towardfirst mandrel 1602, and has a plate-like configuration with an outwardly flared portion 3306 at an end distal from thefolding finger 1306 and/or 1308 to whichtray panel folder 3304 is coupled. In the example embodiment,tray panel folder 3304 is coupled to foldingfinger 1308, and extends towardfirst mandrel 1602 at an approximately 90 degree angle with respect to foldingfinger 1308. In alternative embodiments,tray panel folder 3304 may be coupled to foldingfinger 1306, or bothfolding fingers tray panel folder 3304 may extend towardsfirst mandrel 1602 at an angle other than approximately 90 degrees with respect to the folding finger to whichtray panel folder 3304 is coupled. -
Tray panel folder 3304 is adjustably coupled to foldingfinger 1306 and/or 1308 by acollar 3308. The position oftray panel folder 3304 along foldingfinger 1306 and/or 1308 may be adjusted, for example, by looseningcollar 3308, selectively sliding collar to a new location, and tighteningcollar 3308 around foldingfinger 1306 and/or 1308. - In operation,
folding fingers tray panel folder 3304 are initially positioned in a first, generally raised position (shown inFIG. 53 ). After ablank assembly 2920 is placed onfirst mandrel 1602 in the configuration shown inFIG. 52 ,folding fingers tray panel folder 3304 are rotated towardsblank assembly 2920. Foldingfingers tray panel folder 3304 engages an upward-facing surface of a corresponding panel of tray blank 2020. Because tray blank 2020 and lid blank 2420 are only attached along tear-away-tabs tray end panels 2086 and/or 2092 are not folded aroundfirst mandrel 1602 by folding oflid end panels tray panel folder 3304 facilitates folding oftray end panels 2086 and/or 2092 aroundfirst mandrel 1602 and/orsecond mandrel 1604.Pre-folding assembly 3302,folding fingers tray panel folder 3304 are held in the second position while the pre-foldedblank assembly 2920 is transferred from mandrel pre-fold section 3300 to mandrel wrap section 3400 (described in more detail below) to maintain alignment ofblank assembly 2920 asblank assembly 2920 is transferred from mandrel pre-fold section 3300 to mandrel wrap section 3400. - Referring to
FIG. 54 , theadhesive applicator assembly 3326 ofmachine 3000 is substantially similar toadhesive applicator assembly 1326, exceptadhesive applicator assembly 3326 includes an additional adhesive applicator, indicated at 3328, and an elongated adhesiveapplicator guide rail 3330 configured to maintain alignment of one or more panels of tray blank 2020 or lid blank 2420 whenblank assembly 2920 is positioned within mandrel wrap section 3400.Adhesive applicator 3328 is configured to apply adhesive to at least an exterior surface of one or more panels of tray blank 2020. In the example embodiment,adhesive applicator 3328 is configured to apply adhesive to an exterior surface of secondtray end panel 2038 asblank assembly 2920 is transferred fromfirst mandrel 1602 tosecond mandrel 1604. - Referring to
FIGS. 54-58 , mandrel wrap section 3400 ofmachine 3000 is substantially similar tomandrel wrap section 1400 ofmachine 1000, except mandrel wrap section 3400 includes a tray gluepanel presser assembly 3402 configured to form a manufacturer joint oftray 2200 and/orcontainer 2800 by folding and/or pressing a glue panel of tray blank 2020, such astray glue panel 2022, against another panel of tray blank 2020. More specifically, tray gluepanel presser assembly 3402 includes apresser plate 3404 having apressing surface 3406 substantially parallel toside face 1674 of second mandrel 1604 (shown inFIG. 27 ).Presser plate 3404 is operatively coupled to alinear actuator 3408 that movespresser plate 3404 toward and away fromsecond mandrel 1604.Presser plate 3404 is configured to contact and/or foldtray glue panel 2022 to formtray 2200 and/orcontainer 2800. In the example embodiment,presser plate 3404 is configured to presstray glue panel 2022 and secondtray end panel 2038 together againstside face 1674 ofsecond mandrel 1604 to form a manufacturer joint atsecond end wall 2818 ofcontainer 2800. - In the example embodiment, tray glue
panel presser assembly 3402 is included in gluepanel presser assembly 1420. More specifically, tray gluepanel presser assembly 3402 is mounted on gluepanel presser assembly 1420 via mountingplate 3410 such that whenpresser plate 1452 of gluepanel presser assembly 1420 moves from the first position (shown inFIG. 57 ) to the second position (shown inFIG. 58 ), tray gluepanel presser assembly 3402 is positionedadjacent side face 1658 ofsecond mandrel 1604 as shown inFIG. 58 . Also, the length ofangled plate 1444 is reduced inmachine 3000 to accommodate tray gluepanel presser assembly 3402 on gluepanel presser assembly 1420. In alternative embodiments, tray gluepanel presser assembly 3402 may be mounted on a structure other than gluepanel presser assembly 1420, such asframe 1002. - As used herein, the term linear actuator refers to any actuator configured to provide a linear driving force to a member coupled thereto. In the example embodiment, each
linear actuator linear actuators linear actuators - In operation,
blank assembly 2920 is placed upon, folded around, and transferred alongmandrel assembly 1600 in substantially the same manner as blank 20 inmachine 1000, excepttray panel folder 3304, tray gluepanel presser assembly 3402,adhesive applicator 3328, and extended adhesiveapplicator guide rail 3330 cooperate with one another to form atray 2200 and/orcontainer 2800. Specifically,blank assembly 2920 is positioned overfirst mandrel 1602 by pick-and-place assembly 1202, andfolding fingers tray panel folder 3304 are rotated from the first position to the second position to foldblank assembly 2920 aroundfirst mandrel 1602. In the example embodiment,folding fingers lid end panel 2428 and secondlid end panel 2436 downward to be adjacent to and/or in contact with side faces 1618 and 1620 ofmiter plates adjustable plates Tray panel folder 3304 folds secondtray end panel 2038 aboutfold line 2052 and/or 2054 towardmandrel assembly 1600, specifically,side face 1628 ofadjustable plate 1608. -
Transfer assembly 1304 facilitates transfer of partially formedcontainer 2800 from mandrel pre-fold section 3300 to mandrel wrap section 3400. More specifically,pusher foot 1322 engages atrailing edge 2922 of blank assembly 2920 (shown inFIG. 52 ) and pushesblank assembly 2920 toward mandrel wrap section 3400 alongmandrel guide rails folding fingers tray panel folder 3304 ofpre-folding assembly 3302 are held in the second position to facilitate maintaining the alignment of partially formedcontainer 2800 as it is transferred from mandrel pre-fold section 3300 to mandrel wrap section 3400. - As
blank assembly 2920 is transferred from mandrel pre-fold section 3300 to mandrel wrap section 3400,adhesive applicator assembly 3326 applies adhesive toblank assembly 2920 in substantially the same manner asadhesive applicator assembly 1326, except additionaladhesive applicator 3328 applies adhesive to an external surface of secondtray end panel 2038. -
Wrapping assembly 1404 wraps an unfolded portion ofblank assembly 2920 aroundsecond mandrel 1604 in substantially the same manner as wrappingassembly 1404 wraps blank 20 aroundsecond mandrel 1604. Specifically, in the example embodiment,folding arm 1424 is rotated such that engagingbar 1430, squaringbar 1432, andmiter bar 1434 wrap a second portion ofblank assembly 2920 aroundsecond mandrel 1604. More specifically, engagingbar 1430 folds firstlid side panel 2424 and/or firsttray side panel 2026 towards bottom faces 1668 and 1670 of second mandrel 1604 (shown inFIG. 27 ) such that firstlid side panel 2424 and/or firsttray side panel 2026 are in face-to-face contact with bottom faces 1668 and/or 1670 ofsecond mandrel 1604. Squaringbar 1432 andmiter bar 1434 position secondtray corner panel 2028 and/or secondlid corner panel 2426 in face-to-face contact withside face 1666 ofsecond mandrel 1604. - As
folding arm 1424 is rotated from the first position to the second position, gluepanel folder assembly 1418 is moved towardslid glue panel 2438 to foldlid glue panel 2438 aboutfold line 2454 towardcorner face 1672 ofsecond mandrel 1604. During and/or after folding oflid glue panel 2438 by gluepanel folder assembly 1418, gluepanel presser assembly 1420 is moved towards firsttray corner panel 2024, firstlid corner panel 2422, and/orlid glue panel 2438, and presses firstlid corner panel 2422 andlid glue panel 2438 together to form a manufacturer joint oflid 2600 and/orcontainer 2800.Presser plate 1452 of gluepanel presser assembly 1420 is held against firsttray corner panel 2024 andlid panels bonds lid panels presser plate 1452 is held against firsttray corner panel 2024 andlid panels presser plate 3404 of tray gluepanel presser assembly 3402 is moved towardstray glue panel 2022 and/or secondtray end panel 2038, to foldtray glue panel 2022 aboutfold line 2040 towardsside face 1674 ofsecond mandrel 1604.Presser plate 3404 pressestray glue panel 2022 and secondtray end panel 2038 together to form a manufacturer joint oftray 2200 and/orcontainer 2800.Presser plate 3404 of tray gluepanel presser assembly 3402 is held againsttray glue panel 2022 and secondtray end panel 2038 for a predetermined time period and/or duration to ensure that adhesivebonds tray panels -
Bottom folder assembly 1406 andbottom presser assembly 1408 ofmachine 3000form bottom wall 2820 ofcontainer 2800 in substantially the same manner asbottom folder assembly 1406 andbottom presser assembly 1408 ofmachine 1000. Specifically, before and/or during rotation offolding arm 1424 from the first position to the second position,bottom folder assembly 1406 rotatestray bottom panels fold lines ejection plate 1484.Upper plate 1480 ofbottom presser assembly 1408 rotates downward and folds second traybottom side panel 2066 againsttray bottom panels ejection plate 1484.Upper plate 1480 pressestray bottom panels ejection plate 1484 for a predetermined period and/or duration of time to ensure that adhesive bondstray bottom panels -
Ejection assembly 1410 ofmachine 3000 facilitates removal of formedcontainer 2800 in substantially the same manner asejection assembly 1410 ofmachine 1000. - In contrast to at least some known container forming machines, in the methods and machine described herein, blanks and/or blank assemblies are placed above and/or on top of one or more mandrels during the folding and/or wrapping methods described herein. As a result, the blank ad/or blank assembly may be wrapped around the mandrel without lifting or moving the blank and/or blank assembly out of the plane in which it is initially placed on the mandrel. Thus, no complex lift mechanisms are needed to form a container from the blank and/or blank assembly using the methods and machine described herein. Further, in the methods and machines described herein, blanks and blank assemblies are pre-folded around a first mandrel and subsequently wrapped around a second mandrel downstream from the first mandrel. Because the container is formed at multiple mandrels, simple linear actuators, as opposed to complex servomechanisms and control systems, may be utilized to form containers from blanks. As a result, the overall footprint and cost of the machine may be reduced as compared to known container forming machines.
- Example embodiments of containers formed from blanks and a machine for making the same are described above in detail. The container, blanks, and machine are not limited to the specific embodiments described herein, but rather, components of the blanks, containers, and/or machine may be utilized independently and separately from other components and/or steps described herein.
- Although specific features of various embodiments of the disclosure may be shown in some drawings and not in others, this is for convenience only. In accordance with the principles of the disclosure, any feature of a drawing may be referenced and/or claimed in combination with any feature of any other drawing.
- This written description uses examples to disclose the invention, including the best mode, and also to enable any person skilled in the art to practice the invention, including making and using any devices or systems and performing any incorporated methods. The patentable scope of the invention is defined by the claims, and may include other examples that occur to those skilled in the art. Such other examples are intended to be within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal language of the claims.
Claims (21)
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US14/020,403 US9701087B2 (en) | 2013-09-06 | 2013-09-06 | Methods and machine for forming a container from a blank using a pre-fold mandrel section |
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US15/861,514 US10786964B2 (en) | 2013-09-06 | 2018-01-03 | Methods and machine for forming a shipping and display container from a blank assembly using a pre-fold mandrel section |
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US11565492B2 (en) * | 2013-09-06 | 2023-01-31 | Westrock Shared Services, Llc | Methods forming a shipping and display container from a blank assembly using a pre-fold mandrel section |
Also Published As
Publication number | Publication date |
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US20150072847A1 (en) | 2015-03-12 |
US10821698B2 (en) | 2020-11-03 |
US20180126684A1 (en) | 2018-05-10 |
US9878512B2 (en) | 2018-01-30 |
US20210046723A1 (en) | 2021-02-18 |
US11565492B2 (en) | 2023-01-31 |
US10786964B2 (en) | 2020-09-29 |
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